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  • Q1:3. Obtain the membrane stress resultants for the axisymmetric shell whose cross-section is shown below. The shell is filled with a liquid of density y to the level indicated and the self weight of the shell is negligible. The shell is supported on a ring beam at the position shown. Sketch the distribution of the meridional resultant, Nm. A Im B CONE 3m 30° GO F SPHERE C 2m RING BEAM DSee Answer
  • Q2:1. Obtain the membrane stress resultants for the shell whose cross-section is shown below under its own weight W/unit area. Com 30m 40m 1 70m 100 ₥See Answer
  • Q3:Problem: Water flows through a turbine (T) from reservoir A to reservoir B, as shown in the figure. Determine how much power is the turbine able to generate and provide to the electric grid (turbine efficiency = 0.70) for a discharge Q of 2.2 m3/s? Also, sketch the energy grade line (EGL), indicating all energy losses, changes in slope, and abrupt changes. Make sure your figure can be interpreted even if it is not perfect. Assume the pipe material is cast iron with roughness Kg = 0.25 mm, kinematic viscosity v= 10-6 m2/s, the coefficient for entrance losses Ke = 0.5, and a= 1. ZA= 780 m A ZB= 80 m 1 = D1 = 1.5 m L1 = 690 m B T D2= 0.8 m L2= 4100 mSee Answer
  • Q4:1. As part of your role at a heavy-goods vehicle manufacturer, you have been asked to determine the drag caused by the boundary layer developing along a section of the trailer roof, which can be treated as having constant pressure, as the truck travels at 10 m/s. The velocity profile in this region is given by: u- us 2/7 +A ++1)+B where us is the velocity at the edge of the boundary layer. A and B are constants. a) How many primary and auxiliary boundary conditions need to be satisfied? What values must A and B take such that these boundary conditions are satisfied? [8 marks] b) By evaluating the ratio between the displacement thickness (8*) and the momentum thickness (0) of the boundary layer, determine whether the boundary layer on the trailer roof is laminar or turbulent. [7 marks] c) The thickness of the boundary layer at locations x = 0.1 m and 0.5 m is measured using Pitot probe data to be 8 = 4 mm and 8 = 14.5 mm, respectively. Calculate the displacement and momentum thicknesses at these locations. [4 marks] d) The trailer roof has width 2 m. Use the von Karman integral momentum equation to determine the total drag contribution due to the boundary layer between x = 0.1 m and 0.5 m. Assume p = 1.3 kg/m3. [6 marks] 2. You work for an aerospace company which is due to start testing a design in a supersonic wind tunnel. It is a two-dimensional, blow down wind tunnel with rectangular cross-section. The width of the wind tunnel is 100mm and the height at key points is provided in Figure Q2a. At x = 0 mm, the stagnation pressure is always 175 kPa and the stagnation temperature is 300 K. Prior to your test entry, you are given calibration data measured using a Pitot probe mounted in the centre of the test section during wind tunnel start up when the wind tunnel is empty. Your task is to evaluate whether the readings provided by the Pitot probe are sensible to check whether it is working correctly. You can neglect boundary-layer effects throughout this question. a) During supersonic wind tunnel operation, the Mach number in the test section of the tunnel is 2.5. By considering the area ratio between the test section and the throat. determine the height, h, at the throat (x = 50 mm). b) When the peak Mach number in the wind tunnel is 1, what is the stagnation pressure at the Pitot probe location, x = 600 mm? c) When a normal shock wave is in the test section at x = 400 mm, what is the Mach number of the flow ahead of this shock wave? What is the stagnation pressure before and after the shock? d) The wind tunnel starts at time t = 2 s and shuts down at time, t = 15 s. The normal shock wave crosses the Pitot probe at t = 10 s. You are given Figure Q2b, which shows the pressure measured by the Pitot probe as a function of time. Annotate the key timings on a copy of this graph and describe what these correspond to in terms of the tunnel flow. Also explain (with the help of sketches) whether the Pitot probe is functioning correctly. [7 marks] [4 marks] [6 marks] [8 marks] 3. You are on a placement in a chemical plant and have been asked to calculate the force on the walls of a circular pipe (radius, R = 0.02 m) using pressure tappings at the two stations (A and B) shown in Figure Q3. The chemical in the pipe has viscosity, u = 5 x 10-3 kg / m s, and density, p = 660 kg/m3. The pressure tappings are separated by a distance, L = 20 m, and are connected to a manometer filled with water (p = 1000 kg/m3) with an indication, Ah = 40 mm. a) Is the pressure at B higher or lower than the pressure at A? For g = 9.8 m/s2, calculate the magnitude of this pressure change. [7 marks] b) The flow in the pipe is laminar and fully developed, so can be assumed to follow a Hagen-Poiseuille distribution: u = 4 4u dx 1 ªP -(r2 - R2) What is the velocity at point 1 in section B, which is located 0.01 m away from the pipe axis? [5 marks] c) What is the maximum velocity across the cross-section at station B? What is the maximum velocity at station A? [7 marks] d) Recall that the critical Reynolds number for transition in pipes occurs at Reynolds numbers based on the diameter in the range Rep = 2300 - 3500. Explain whether our assumption of laminar flow is reasonable. [6 marks] A L B 0.01 m chemical Y Ah water Figure Q3: Chemical flow through a pipe 1 R 4. You are responsible for the design of the convergent nozzle for a turbojet engine fitted to a civil aircraft, as shown in Figure Q4. During operation at an altitude of 10,000 m, the aircraft flies at 300 m/s and the flow exhausts to atmosphere, where the pressure is 26.5 kPa and the temperature is 223 K. In this question, you should treat the flow as quasi-one-dimensional and inviscid. a) The radius of the nozzle satisfies the equation R(x) = 2-0.44 x2 where both x and R are expressed in metres. What is the area ratio between the nozzle inlet (x = 0.0 m) and the nozzle exit (x = 1.5 m)? b) The turbine exit temperature is the stagnation temperature, To = 400 K, of the flow in the nozzle. Similarly, the turbine exit pressure is the stagnation pressure, Po, of the flow in the nozzle. When the turbine exit pressure is 35 kPa, what is the Mach number at the nozzle exit? c) In a different scenario, the turbine exit pressure is 70 kPa. What is the Mach number of the flow at the nozzle exit? Also determine the Mach number at the nozzle inlet. d) The turbo-machinery team within the company have asked you to specify what exit pressure of the turbines results in perfectly expanded flow, with minimal expansion and compression waves outside the nozzle. What is this turbine exit pressure? [6 marks] [6 marks] [7 marks] [6 marks] combustion compressor chamber turbine nozzle p = 26.5 kPa T = 223 K capture streamtube p = 26.5 kPa T = 223 K Ro nozzle inlet, nozzle exit, x = 0.0 m x = 1.5 m Figure Q4: Diagram of turbojet engine 100 mSee Answer
  • Q5:SUMMATIVE ASSESSMENT 2 Unit Name Masters Project Unit Code EBSC7545 Assignment Title Final Project Type of Submission Individual Portfolio: Final project with relevant supporting development material and evidence of engagement (Summative; 70% of unit mark) Word Count 8,500 words (excluding Appendices) with +/- 10% allowance - or equivalent Issue Date June 2023 Assignment Task You are required to prepare and deliver your Final Project using the framework from your Research Project Proposal. Your submitted Final Project will consist of a portfolio of work that must include: 1A) A dissertation-format written work of 8,500 words. or 1B) A practice-based research project. This will consist of two distinct elements: 1) a written work of approx. 5,000 words following the dissertation format, and 2) a practice-based outcome e.g., a website, a business plan, a documentary, a dance, etc. as agreed with your supervisor. and 2) All relevant supporting development material and evidence of engagement with support sessions and supervision (e.g., evidence of primary research, supervision logs signed by the supervisor, etc.). These should be submitted in the appendices of the written work. The purpose of the Masters Project is to develop deep knowledge in relation to a chosen business problem or opportunity. The focus is on the analysis, interpretation and presentation of information, and development and communication of creative ideas related directly to your course. To recognise that written work is not the only way of communicating this knowledge effectively, the format of the final submission is deliberately flexible to allow you to present your individual project in a context appropriate to your topic and findings. Your final project may therefore be a more traditional dissertation or a practice-based research project which allows for a wide range of different practice-based outcomes, including a business plan for a new venture. To form ideas for a practical manifestation of your project, consider the relationship between the theoretical contemporary discourses in your subject area and its application. Whatever you decide to do, you must evidence your decision-making with a documented discussion and written approval from your supervisor. IMPORTANT: (A) Whatever the format of your final submission, you must demonstrate evidence of advanced conceptual, theoretical, and technical capability at Masters level, hence the requirement for a dissertation-format written body of work. The research project will be assessed according to the University's postgraduate assessment regulations and Level 7 - Masters - grade descriptors. (B) A list of references, illustrations, figures, and tables where appropriate must be included in all research projects whatever the format chosen by the student. This is compulsory. It is also compulsory to use UCA Harvard Referencing - see the guide on the UCA website at the following link: https://www.uca.ac.uk/library/academic-support/harvard-referencing/ (C) Evidence of primary research - e.g., interview transcripts - is compulsory and must be included in Appendices of the written body of work. (D) There must be a clear direct link between your Proposal and Final Project. (E) Each student must regularly engage with support sessions and their supervisor and produce evidence of their engagement through supervision logs. Supervision logs must be signed off by your supervisor and included in the Appendices of the Final Project. Any student work submitted without regular and documented engagement with support sessions and supervisors will be subject to a formal viva i.e., a formal oral examination. DISSERTATION FORMAT (INDICATIVE) · 1A) Word count 8,500 word (excluding Bibliography and Appendices) with +/- 10% · 1B) Word count 5,000 word (excluding Bibliography and Appendices) with +/- 10% · Title Page · Acknowledgments · Abstract · Table of Contents, List of Figures and Tables o Introduction, incl. Aim and Objectives 0 [Thematic] Literature Review 0 Methodology o Key Findings and Discussion, incl. Limitations 0 Conclusion, Recommendations, or Implications (as/where appropriate), incl. Further Research · List of References AppendicesSee Answer
  • Q6:Problem 6 (40 points) An underwater vehicle's motion in the yaw plane is described by the following simplified set of linearized equations: L m-Y; -Y. 0 0v Y U (Y-m)U 0 0 v Y U2 uudr -Ný I =- N, 0 0 r NU uv NU ur 00 r = N,s.U2 uuSr r (1.1) 0 0 10 y 1 0 0 U y 0 − 0 0 0 1 0 1 0 0 y 0 Yvdot = - 291.6078; Yrdot = - 16.4006; Mass = 265.3515kg; Nvdot = - 16.4006; Izz = 271.4616kg - m2; Nrdot = - 214.2764; Yuv = - 101.8686; Yur =91.6398; Nuv =- 233.5181; Nur =- 159.2130; Yu2dr = 61.8201; Nu2dr = - 44.6410; In compact form, Equation(1.1) can be written as Mx = Cax+BS, =Cax+ BOrudder where x =[v r y y]' . Equation(1.2) can be expressed in the traditional state space form as A11 A12 0 07 bị b (1.2) *= M-'Cax+M 'BS, = Ax+ Bô rudder 11 A21 A22 0 0 b2 0 1 0 0 A34 x+ 8 (1.3) rudder 0 1 0 0 0 A block diagram of a control system is shown in Figure 1. K Srudder Vemd 4 desired 2 e + 5 + Krp 4 H1(s) 4 H2(s) Figure 1: Schematic of yaw loop control for underwater vehicle (20 points) Compute the transfer functions H1 = rudder (s) i(s) and H2 = Smudder(s) ų(s) in terms of the components of the A and B matrices. Keep in variable form. (25 points) For a specified speed U of 20 knots and commanded yaw, l cmd , of 10 deg, verify that the rudder, Srudder, does not exceed a magnitude of 15 degrees for the following gains: K5 =1, Kwp =0.86,Kmp =- 0.3822. Use Simulink for this purpose and comment on the results and include a plot of the yaw command, the yaw response, and the rudder response on the same set of axes. 2See Answer
  • Q7:Comparative Studies in Energy-Efficient Air Conditioning Manufacturing Impact of Smart Sensors in Air Conditioning Manufacturing coupled with suitable refringent selection to optimize energy consumption. . Abstract Literature review static data indicates that HVAC accounted for 20% of the country's total energy consumption and nearly half of the energy used in buildings. The aim of this work is to perform study on AC to make energy efficient system. To do so a sensor AC integrated with different types of refrigerant study has been proposed. A comparative study on AC with sensor and without sensor shall be studied in this research. It has been proved that advanced sensors enable precise temperature control, adaptive cooling, and real-time adjustments based on occupancy and external conditions. Various studies have quantified the environmental impact of traditional refrigerants, emphasizing their substantial contribution to global warming and ozone depletion also it highlights the potential of eco-friendly refrigerants to mitigate these environmental concerns. But combine effect of two work has not been research much. Hence in this study combined work shall be studied. Contents 1.Introduction 1.1 Background 4 1.2 Research Objectives 4 2. Literature Review. 5 4 3. Methodology 7 3.1 Research Design .. 7 3.2 Data Collection 3.3 Analysis. 8 4. Discussion 9 5.Conclusion 10 6.Reference 10 9 1.Introduction Seeking a more luxurious and comfortable modern lifestyle, individuals now depend considerably more on-air conditioners (ACs) than they did in the past. The occupancy ratio of building areas is increased by air conditioners in both industrialized and developing nations. Additionally, this causes AC energy usage to increase quickly. Static data indicates that HVAC accounted for 20% of the country's total energy consumption and nearly half of the energy used in buildings. Consequently, it's critical to reduce the energy that air conditioners in homes and businesses use (Cheng C, 2014). The air conditioning industry occupies a crucial position in addressing contemporary concerns related to energy consumption and environmental sustainability. This comprehensive literature review seeks to synthesize prior research on optimizing energy efficiency in air conditioning systems, with a primary focus on the integration of smart sensor technology. This review provides a panoramic view of existing knowledge, highlights pivotal findings, identifies prevailing gaps in research, and culminates with the formulation of pertinent research questions. A significant body of research has explored the integration of smart sensor technology in air conditioning systems. These advanced sensors enable precise temperature control, adaptive cooling, and real-time adjustments based on occupancy and external conditions (Fialho et al., 2018; Hu et al., 2019). Numerous studies consistently affirm a substantial reduction in energy consumption when smart sensors are adeptly incorporated into air conditioning units. Nevertheless, a conspicuous gap pervades the existing literature where limited research explores the potent synergies between smart sensors and refrigerant choices. While the merits of these two facets, considered individually, have been convincingly elucidated, their coalescent optimization remains an under explored frontier. 1.1 Background Energy-efficient air conditioning systems are crucial in addressing environmental concerns and reducing energy consumption. This study examines the role of smart sensors and controls in improving energy efficiency and user satisfaction in air conditioning units. Along with that a review on integration of sensor with refringent selection for energy optimization will also be considered. 1.2 Research Objectives Assess the impact of smart sensors on energy consumption. > Measure user satisfaction with air conditioning units equipped with smart sensors. > Impact of integration of sensors with refrigerants to reduce energy consumption. 2. Literature Review A comprehensive review of existing literature on smart sensors in air conditioning, energy efficiency, and user satisfaction is presented. Ma and Wang provide examples of energy- efficient control techniques for variable speed pump control in a central air conditioning system. The findings indicate that these control solutions can reduce the energy consumption of pumps. An AC's energy efficiency can be increased with the design of a feedback controller (Lin, J 2007). A temperature- and humidity-independent control method was developed by Zhao et al. to lower an AC's energy usage in an office building. The testing findings demonstrate that, even in extremely hot and muggy weather, the technique may deliver a higher AC coefficient of performance and a comfortable indoor atmosphere. Fuzzy logic control is used to regulate the number of compressors and fans that are active in multi-unit air conditioners in order to improve energy-saving measures. The earlier studies on using control techniques on ACs were predicated on the idea that different parameters would result in different reactions. This type of passive response might not be appropriate for the comfort of humans. The coefficient of performance (COP, W/W), which is the ratio of the input power (w) and the removed heat flow (qL), is the measure used to define an air conditioner's efficiency. Equation can be rewritten as follows: W 9L = T 1 Tamb-T Where Tamb is ambient outdoor temperature and T is inside room temperature. Equation (1) states that the better the COP is under the fixed outdoor temperature Tamb, the higher the indoor temperature T. An air conditioner's energy usage may drop by 6% for every degree Celsius that the interior temperature rises (Cheng C, 2014). Searching with various literature following research gap has been found. Another sensor type used in AC is thermofluidic sensors. In these types of sensors thermocouples use a bimetal contact to create a heat-initiated electromotive force in order to measure temperature. It is employed in temperature measurement. Temperature is measured via resistive temperature detectors, or RTDs. Resistive Temperature Detectors (RTDs) test temperature changes via making use of platinum's temperature-dependent resistance feature cables. Sintered metal oxides are used as thermostats. Their resistance is temperature-sensitive; therefore, it can send out signals. Digital temperature sensors based on thermophiles are composed of polycrystalline silicon alloys and aluminium created during the manufacturing of semiconductors, and gauges temperature using an electromotive force caused by heat. Using infrared, infrared thermopile sensors measure temperature of items that release heat. Resistive humidity sensors and ceramic capacitors are available for measuring humidity. The use of thermofluidic sensors in AC is a emerging technology. (Cheng C, 2016). Gap in the literature The synthesis of existing literature underscores a palpable gap in contemporary research-the dearth of exhaustive inquiry into the integration of smart sensor technology and the selection of energy-efficient refrigerants in air conditioning systems. While individual studies have undeniably laid bare the advantages of each element, the potential benefits and trade-offs in judiciously uniting them remain largely untapped. Rationale for further research The rationale for embarking on further research in this domain is grounded in the considerable potential to engineer air conditioning systems that concomitantly attain optimal energy efficiency while curtailing environmental impact. The integration of smart sensor technology augurs precise cooling control, dramatically reducing energy wastage. Simultaneously, judicious selection of suitable refrigerants holds the promise of significantly attenuating the carbon footprint associated with air conditioning systems. An exploration of the intricate interplay between these two variables is imperative to devise sustainable air conditioning solutions. With the above literature review following researchable questions within available constraints emerge: 1. How can smart sensor technology be optimally integrated with varying types of refrigerants to maximize energy efficiency while concurrently minimizing environmental impact in air conditioning systems? 2. What are the predominant trade-offs and challenges intrinsic to the holistic optimization of smart sensor technology and refrigerant choice within the context of air conditioning manufacturing? 3. To what extent do factors such as climate conditions, building types, and user behaviour influence the efficacy of the integration of smart sensor technology and refrigerant choice in air conditioning systems? These research questions represent a strategic attempt to bridge the extant gap in the literature, concentrating on the intersection of smart sensor technology and refrigerant selection. An exploratory expedition in this direction holds immense promise for augmenting our comprehension of sustainable air conditioning solutions. 3. Methodology For different kinds of air conditioners, the human comfort (expressed by temperature change) and energy conservation (measured by internal energy and input power) can be assessed. In this work, the compressor output energy and temperature responses in a closed environment were simulated in relation to fixed frequency, convertible frequency, and smart air conditioners. 3.1 Research Design Experimental approach: To study impact of sensor two groups of air conditioning units-one with smart sensors and one without shall b design. In overview of design looks like Feedback Controller Sensor transfer function Evaporator Convection coefficient Temperature Return air from indoor hconv sensor Sensor mass Sensor area Illsen sen Sensor heat capacity Cooled air Csen to indoor Fig 1: Controller strategy in evaporator section of AC Source (Cheng C, 2014). The relationship between the return air temperature, T, and measured temperature by sensor, Tsen, proposed by Cheng et al could be written as Msn Chen Ten =ho = hconv Asen (T - Tsen) 2 Taking Laplace transform of Equation (2), and the result is (msen Csen . S + hconv Asen) . Tsen(s) = hconv Asen . T(s) Where Ts would be temperature measured by sensor. Hot air to outdoor Condenser heat exchanger On/Off >Compressor - Refrigerant Capillary control flow switched expansion On/ Off valve Evaporator heat exchanger Cooled Non-cooled air flow Feedback Temperature sensor Fig 2: The control scheme of a fixed frequency air conditioner with on/Off control (Cheng C, 2014). 3.2 Data Collection The primary goal with the study is > Energy consumption measurements. > User feedback surveys. > Temperature control performance assessments. To do so following arrangement are made in AC. To implement the smart control strategy, a single convertible frequency air conditioner equipped with a mobile phone communication feature was selected. The selected air conditioner may operate the previously specified regulating strategies-On/Off control of fixed frequency, Inverter (PID) control of convertible frequency, and smart control-after the control board was modified. The power consumption and cooling time of these three controlling strategies will be compared in the following sections. (Cheng C, 2014). Modified control board can performOn-Off control of fixed frequency, PID (inverter) control and smart control at one air conditioner for comparing the air conditioning performances Outdoor unit Modified control board Smart socket for measurig compressor output(Powermate ofln-Snergy, iFamily) Figure 3:Modified controlling circuit plate at the outdoor unit of the air conditioner Source (Cheng C, 2014). The second study of project would be comparing impact of sensor use on different refringent types. For this part of study, it is proposed that above sensor plate changes would be made in one conventional along with one smart ecofriendly refrigerant AC. 3.3 Analysis Based on values obtained from sensor and without sensor AC along with two types of sensor AC with different refringent types following analysis would be conducted ➢ Statistical analysis to compare energy consumption patterns. > Regression analysis to identify factors influencing user satisfaction. Since in smart AC plan the main goal of design is to built a system which can reduce energy consumptions. Thus, the goal follows the SDG 17 sustainability criteria. And with this study there won't be any ethical issue. 4. Discussion To provide further context for the research a synthesis of existing research findings is crucial. Existing studies have highlighted the following key aspects: The air conditioning smart sensors Numerous studies emphasize the role of smart sensors in energy-efficient air conditioning. For example, research by Fialho et al. (2018) demonstrated a 20% reduction in energy consumption when smart sensors were implemented in commercial air conditioning systems. Similarly, the work of Hu et al. (2019) showcased improved user comfort and substantial energy savings through smart sensor-controlled cooling. The impact of Refrigerants and environmental Concurrently, research focusing on refrigerants underscores the environmental consequences of different choices. Studies by Dincer et al. (2017) have quantified the environmental impact of traditional refrigerants, emphasizing their substantial contribution to global warming and ozone depletion. Contrarily, research by Zhou et al. (2020) highlights the potential of eco- friendly refrigerants to mitigate these environmental concerns. Integration challenges However, when it comes to the integration of smart sensors and refrigerants, studies are limited. Few research endeavours have comprehensively addressed the complexities and potential benefits of optimizing both aspects in unison. This gap in the literature is evident, highlighting the need for further research to explore the intricacies of this integration. 5.Conclusion In summation, this comprehensive literature review has underscored the exigent necessity for research that traverses the realm encompassing smart sensor technology and the selection of energy-efficient refrigerants in air conditioning manufacturing. While existing studies have adroitly showcased the individual merits of these elements, the potential synergy of their fusion remains inchoate. The research questions proffered chart an unequivocal path for further inquiry, with the express aim of engineering air conditioning systems that are both supremely energy-efficient and ecologically responsible. Proposed methodology for this work was taken from Chang C et al who concluded in his work that a smart air conditioner's overall compressor output is 48.4% lower than that of a fixed frequency air conditioner. It is possible to precisely regulate the temperature inside with inaccuracies of less than 0.1 ºC. After occupants enter, a rapid cool-down to the optimal indoor capacity can be accomplished in two minutes. 6.Reference 1. Cheng, C.C. and Lee, D., 2014. Smart sensors enable smart air conditioning control. Sensors, 14(6), pp.11179-11203. 2. Ma, Z .; Wang, S. Energy efficient control of variable speed pumps in complex building central air-conditioning systems. Energy Build. 2009, 41, 197-205. 3. Lin, J .; Yeh, T. Modeling, identification and control of air-conditioning systems. Int. J. Refrig. 2007, 30, 209-220. 4. Cheng, C.C. and Lee, D., 2016. Enabling smart air conditioning by sensor development: A review. Sensors, 16(12), p.2028. 5. Zhao, K .; Liu, X .; Zhang, T .; Jiang, Y. Performance of temperature and humidity independent control air-conditioning system in an office building. Energy Build. 2011, 43, 1895-1903. 6. Chiou, C.B .; Chiou, C.H .; Chu, C.M .; Lin, S.L. The application of fuzzy control on energy saving for multi-unit room air-conditioners. Appl. Therm. Eng. 2009, 29, 310- 316. Project Plan: No Task 01/09/23 1 Literature Review 02/10/23 2 Searching of suitable AC type available in market 06/10/23 3 Manufacturing AC 06/10/23 4 Data Collection 08/10/23 5 Analysis 22/10/23 6 Final result declaration 02/11/23 Appendix I: Project Communication Log Project Title: Comparative Studies in Energy-Efficient Air Conditioning Manufacturing Student Name: Hussain Alkhalifah Supervisor Name: Dr Jochen Deuse Event Topic of Communication Outcome Date Sep 2 2023 Online feedback Defining a research question clearly defined research question. -- --- Oct 7 2023 ------ Oct 27 2023 Online feedback Confirmation of Project Plan Literature survey and review Hi Hussain, you have effective formal English expression and correct grammar -- great! However, the LR text was too long and needed simply to be organized around 1) general agreement on your problem/topic as indicated in the literature; 2) areas of disagreement and neglect as indicated; 3) how this disagreement/neglect indicates and supports your research gap. Don't use all those sub-heads -- just write in strong paragraph style.See Answer
  • Q8:49325 CAMD: Computer-Aided Mechanical Design Project (2024 AUT Semester) Group: Students are encouraged to build their own groups normally up to 5, but it depends. You may also complete a project individually. Each group should have only ONE group leader responsible for organizing group meetings and the final submission of the project, and the marks will be automatically populated to all the group members upon the completion of the marking process. We do encourage each group member to take initiative and actively contribute to the Project. Then, all the group members will normally have equal marks, unless there is any specific situation to be noted by the group leader. Due date: Project Report is due by Submit your final group project report (including names and student IDs of all the group members in the "Subject" title of your report), via UTS Canvas submission system. Note: Submit your final group project report by the due date. Any late submissions may be accepted with the consideration of a reasonable penalty. Topic: FE Analysis and/or Design Optimization of Mechanical Structural systems Generally, any engineering applications, or numerical examples provided that the FEM and/or Design Optimization (structural size, shape and/or topology optimization) techniques are involved are acceptable. Hence you may freely choose and devise your own design problem for your group project, related to this topic in a general sense (e.g. numerical examples or practice-based engineering design problems). You can freely select any software you are good at, such as ANSYS, Solidworks, PTC Creo, CATIA and Matlab. Note that the problem you choose should be basically able to reflect the knowledge and skills you have gained from the practices of our assignments, lecture notes and lab tutorials of this Subject. Requirements: You may apply Finite Element Method and/or Optimization techniques to any structural mechanical components as a numerical or a practice-based design problem of your own choice, with appropriate geometric dimensions, loads and constraints, as well as simulation and optimization parameters. This Project should take a typical group up to 35 hours to complete. It is noted that this project can either be completed using Matlab to develop your own codes, or any commercial software tools like ANSYS, Solidworks, Catia or PTS Creo for any real-world engineering problems. Upon the completion, submit one final project report per group, which contributes 30 marks. The report must contain a statement detailing the contributions of all individual group members, signed by all members of the group. Each group should have a group leader for the submission of your final report, and the group leader will confirm the contribution of each group member. Basically, your report should include (but not limited to) the following aspects: (1) Problem description and statement (2) Finite element procedures and analysis details, including CAD model (3) Design optimization (design variables; objective function; constraints), and details (4) Matlab codes with detailed explanations, if you use Matlab (5) Results and discussions, as well as conclusions Note: We would carefully investigate the overall quality of the project, and the final marks depend on the nature and complexity of your mechanical analysis and design problem.See Answer
  • Q9:. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. A boat is moving to the right with a constant deceleration of 0.9 m/s- when a boy standing on the deck D throws a ball with an initial velocity relative to the deck which is vertical. The ball rises to a maximum height of 6 m above the release point and the boy must step forward a distance d to catch it at the same height as the release point. D Problem 11.125.a - Relative motion of projectile with given acceleration-find distance Determine the distance d. S A boat is moving to the right with a constant deceleration of 0.9 m/s- when a boy standing on the deck D throws a ball with an initial velocity relative to the deck which is vertical. The ball rises to a maximum height of 6 m above the release point and the boy must step forward a distance d to catch it at the same height as the release point. a - -d D ap Problem 11.125.b - Relative motion of projectile with given acceleration-find a relative velocity Determine the relative velocity of the ball with respect to the deck when the ball is caught. The relative velocity of the ball with respect to the deck is m/s ¥ 0 S Next & Conveyor belt A, which forms a 20° angle with the horizontal, moves at a constant speed of 4 ft/s and is used to load an airplane Knowing that a worker tosses duffel bag B with an initial velocity of 2.5 ft/s at an angle of 30° with the horizontal, determine the velocity of the bag relative to the belt as it lands on the belt. VA 20° A (VB)o B 1 30° 1.5 ft The velocity of the bag relative to the belt as it lands on the belt is ....... O ft/s at an angle of: s Required information Problem 11.124 - Relative/dependent motion of particles with given velocities and accelerations- DEPENDENT MULTI-PART PROBLEM ASSIGN ALL PARTS NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. 6 For the system shown, block A has a velocity of 7 in/s and an acceleration of 5 in/s- both directed down the incline. B. 15° A 25° Problem 11.124.b - Relative/dependent motion of particles with given velocities and accelerations-fl acceleration Determine the acceleration of block B. The acceleration of block B is in/s2 at an angle of 0 .See Answer
  • Q10:/n/nCRN 54392 / 54397 Measurement Analysis and Assessment @ University of Salford Vibroacoustics Lab Core Aims . To measure the passive mobility of an assembly using an impact hammer and accelerometers. • To plot this data including validation checks (reciprocity, coherence) and standard error. . To measure and plot the operational velocities when the source part of the assembly is active. Extended Aims (level 7 students only) All the core aims plus: . To calculate the blocked forces the source assembly exerts at the interface. • To validate these blocked forces using the 'on board validation' approach. Background In this lab we introduce modal testing, also called system definition, structural testing, mobility measurement, and Frequency Response Function (FRF) measurement. Although we are using a mechanical device as our test object, there are strong parallels with the Room Acoustics Lab. The mechanical object responds to mechanical excitation by vibrating and radiating sound. In room acoustics we thought of the room as a filter, and similarly we can consider the mechanical structure as a filter whose properties we can extract by measurement. We are using an impulsive excitation here, but the system will filter any mechanical input in essentially the same way. A complication relative to typical Room Acoustics measurement is that we need to measure multiple forcing and multiple response points, thus the system become Multi-Input Multi-Output (MIMO). A diagram and photographs of the apparatus are shown in figures 1 and 2 respectively. Shaker (internal source excitation) Source Ys, fs Z Interface x Isolators Zı y Interface Target Vb Receiver Y Figure 1: Diagram showing the test apparatus in a disassembled state to distinguish: the source assembly (top), which includes a shaker that will be used in the operational case; the isolators (middle); and the receiver assembly (bottom), which includes the on-board validation point vb. Vibroacoustics Lab 1 CRN 54392 / 54397 Measurement Analysis and Assessment @ University of Salford Figure 2: Photo showing the apparatus. Left: top view, plus impact hammer. Right: side view, focussing on source assembly and isolators. Note that these photos do not show the complete set of accelerometers. Lab Brief The measurements will be performed using Dewesoft X software. The process is detailed in a video that can be found on Blackboard. Here is a non-exhaustive checklist to help you while you are in the lab: . Channel Setup > Analog In screen: ensure all sensors are detected (most will require power via IEPE), are functioning correctly and have the correct sensitivity data set (should be read from TEDS for the accelerometers but needs to be entered manually for the hammer). . Channel Setup > Modal Test screen: this is where the FRF measurement is set up. o Left column: Set test method and number of averages appropriately. Ensure the FFT length is set to be a power of 2 (required to match the FFT analysis used to analyse the operational data) and to give a suitable frequency resolution (df). In the Output channels box ensure 'FRF H1', 'Ordinary Coherence' and 'Intermediate Fourier Transforms' are all set to 'Used' (the latter is required so that FFT data of each hit is also saved separately, as is required for the specified analysis). o Excitation tab: There should be one excitation channel: the hammer. Set the trigger threshold, window type, and pre-trigger appropriately. o Response tab: Add all accelerometers and the hammer here (the latter is required so that Intermediate Fourier Transforms Measure > Modal Test screen: this is where the FRF measurement is performed (see video). • . Channel Setup > FFT Analysis screen: this is where the operational measurement is set up. o Enable this for all accelerometers. Set Output spectra to be complex and specify no averaging. . Measure > FFT Analysis screen: this is where the operational measurement is performed (see video). . Analyse > Data Files > Multifile Export: Use this to export your data to Matlab . mat files. Be sure to tick the Real and Imag complex export boxes so that data is exported with phase. The required analysis is specified below. The majority of this follows the tutorial script issued on Blackboard, which serves as a skeleton code for the lab and provides a summary of relevant theory. You are strongly advised to work through that script and complete the missing sections before the lab week. Core Analysis 1. Plot some FRF data checks - coherence and reciprocity for a few point combinations. 2. For one point combination, compute the FRFs for individual hits (using the data saved by the 'Intermediate Fourier Transforms' option) and plot this overlaid on the averaged FRFs output by Dewesoft. Compute Standard Error based on the coherence and use this to add ±95% confidence limits on the averaged FRF line (plotting as additional dashed lines is recommended). 3. Plot the spectrum of the operational velocity data. Please note that you should use the Vibroacoustics Lab Report Proforma if you are doing only the core analysis and submitting a Summary Lab Report. There are also marks for discussion & evaluation (see assessment brief). Vibroacoustics Lab 2 CRN 54392 / 54397 Measurement Analysis and Assessment @ University of Salford Extended Analysis (selected level 7 students only) All the above core analysis, plus: 4. Plot the magnitude of the blocked forces at each connection versus frequency. 5. Plot the result of the 'on-board validation', being the comparison of the directly measured operational vibration response Vb versus that computed via the blocked forces from 2. 6. Repeat step 5, but this time excluding rotations DoFs. For Full Lab Reports you are not required to use the issued Summary Lab Report Proforma. Instead, the report should be more along the lines of a standard academic report - see assessment brief for full details. You are advised to use the Salford report template (available on Blackboard) for this. Note that there are also marks for summarising the background theory, introducing the experiment, and discussion and evaluation. Vibroacoustics Lab 3See Answer
  • Q11:7/9/24, 8:30 AM Quiz: HW3 Fatigue & Deflection HW3 Fatigue & Deflection Instructions: Question 1 30 pts The shaft shown in the figure is driven by a gear at the right keyway, drives a fan at the left keyway, and is supported by two deep-groove ball bearings. The shaft is made from AISI 1020 cold-drawn steel. At steady-state speed, the gear transmits a radial load of 230 lbf and a tangential load of 633 lbf at a pitch diameter of 8 in. https://canvas.tamu.edu/courses/295605/quizzes/499064/take?preview=1 1/5 7/9/24, 8:30 AM Quiz: HW3 Fatigue & Deflection 4 12.87 4 8.50 - 0.20 > - 2.20 2.75 0.485 - 0.75 - +2.0 1.181 1.70 1.750 1.40 > ( 1.181) 1.000 2.0 IS R. 117 4 +X * keyway +R. 1 1 0.1 R. 32 R. 3 × 18 keyway (a) Determine fatigue factors of safety at any potentially critical locations using the DE-Gerber failure criterion. (b) Check that deflections satisfy the suggested minimums for bearings and gears in Table 7-2 (see below). Table 7-2 Typical Maximum Ranges for Slopes and Transverse Deflections Slopes Tapered roller 0.0005-0.0012 rad Cylindrical roller 0.0008-0.0012 rad Deep-groove ball 0.001-0.003 rad Spherical ball 0.026-0.052 rad Self-align ball 0.026-0.052 rad Uncrowned spur gear <0.0005 rad Transverse Deflections Spur gears with P < 10 teeth/in 0.010 in Spur gears with 11 < P < 19 0.005 in Spur gears with 20 < P < 50 0.003 in Upload https://canvas.tamu.edu/courses/295605/quizzes/499064/take?preview=1 2/5 +0.15 1 R. -. R. 7/9/24, 8:30 AM Quiz: HW3 Fatigue & Deflection Choose a File :::: Question 2 30 pts The shaft shown in Figure.a is proposed for the application shown in Figure.b. Figure.a Gear center Gear center 0.5 > 16 14 9 1.00 1.3 1.75 2.5 1.75 1.3 1.00 1 + > e - 1 1 1 1 2 > 15 - 10 > - 17 11 > - 41 - y 16 in O 14 in 100 FR 9 in Figure.b Z 20° 1.25-in dia. ¥ Gear A 20-in dia. A 000 00 Gear B x B 8-in dia. FA= 300 Ibf 20° https://canvas.tamu.edu/courses/295605/quizzes/499064/take?preview=1 3/5 7/9/24, 8:30 AM Quiz: HW3 Fatigue & Deflection The material is AISI 1018 cold-drawn steel. The gears seat against the shoulders, and have hubs with setscrews to lock them in place. The effective centers of the gears for force transmission are shown. The keyseats are cut with standard endmills. The bearings are press-fit against the shoulders. (a) Determine the minimum fatigue factor of safety using the DE-Gerber fatigue criterion. (b) Check that the deflections satisfy the suggested minimums for bearings and gears in Table 7-2 (see below). If any of the deflections exceed the recommended limits, make appropriate changes to bring them all within the limits. Table 7-2 Typical Maximum Ranges for Slopes and Transverse Deflections Slopes Tapered roller 0.0005-0.0012 rad Cylindrical roller 0.0008-0.0012 rad Deep-groove ball 0.001-0.003 rad Spherical ball 0.026-0.052 rad Self-align ball 0.026-0.052 rad Uncrowned spur gear <0.0005 rad Transverse Deflections Spur gears with P < 10 teeth/in 0.010 in Spur gears with 11 < P < 19 0.005 in Spur gears with 20 < P < 50 0.003 in Upload Choose a File Not saved Submit Quiz https://canvas.tamu.edu/courses/295605/quizzes/499064/take?preview=1 4/5 7/9/24, 8:30 AM Quiz: HW3 Fatigue & Deflection https://canvas.tamu.edu/courses/295605/quizzes/499064/take?preview=1 5/5See Answer
  • Q12:7. Due to a loading, the plate is deformed into the dashed shape shown in the figure below. Determine (a) the average normal strain along the side AB, and (b) the average shear strain in the plate at A relative to the x and y axes. (16 pts) 1.4 mm B - 1 0.8mm 125 mm x C 150 mmSee Answer
  • Q13:6. The center portion of the rubber balloon has a diameter of d = 93 mm. If the air pressure within it causes the balloon's diameter to become d' = 111 mm, determine the average normal strain in the rubber. (10 pts)See Answer
  • Q14:5. The control arm is subjected to the loading shown in the figure below. Determine the required diameters of the steel pins at A and C (show the calculated diameters, and then round up to the nearest 1/4 in) if the factor of safety for shear is F.S .= 1.75, and the failure shear stress is 12 ksi. (20 pts) A B 9 in. Single shear c Double shear - 3 in. - 2 in. - 4,840 lb 2.825 lbSee Answer
  • Q15:4. Find the stresses in members BC, BD, and CF for the truss shown below. Indicate tension or compression. The cross- sectional area of each member of the truss is 1735 mm2. (20 pts) B 3 m A 3 m 4 m E C D 60 kN Y 90 kN V 4 m FSee Answer
  • Q16:2 Axial loads are applied to the compound rod that is composed of an aluminum segment rigidly connected between steel and bronze segments. What is the stress in each material given that P = 3150 lb? (18 pts) Bronze A =0.85 in.2 Aluminum A = 1.0 in.2 Steel A = 0.5 in.2 3P 2P P 4P 3 ft -* 5 ft 4 ft-See Answer
  • Q17:1. Determine the reactions at the supports. Neglect the thickness of the beam, and the weight of the beam. (17 pts) 475 N/m B A 3.3 m 3.3 mSee Answer
  • Q18: ou'll need to prepare a sheet metal drawing in AutoCAD. This drawing will contain a multiview drawing and a 3-D model of a custom bracket that will be used in an HVAC system. If you draw everything correctly, you'll be able to place a flat pattern for this bracket in the same drawing. Here, you'll start with some rough models and drawings of the bracket, and you'll need to build a multiview drawing and a flat pattern for this component. Multiview Drawing of your Bracket The bracket you are designing in this project will attach to an overhead beam and to the ductwork using bolts. The bracket will include two bends and will be drawn in Imperial units. In your multiview drawing, you will need to include holes for these bolts that are drawn to standard sizes. The bolts that will be used to attach the bracket to the ductwork and the overhead beam are #1/2-13 threaded bolts. Use the link below to find the required hole diameter for this bolt. You will need to use this hole diameter in your CAD drawing. Take note of the hole size you will need to accommodate these bolts. To find specifications for Imperial and metric bolts, use the Guide for Specification of Imperial Bolts, Threads and Hole Fits in Advanced LIGO Parts. To get started, open a new drawing in AutoCAD. Type the UNITS command into the command prompt to bring up the Drawing Units dialog box. Change the decimal precision and make sure the units are set to inches. You can reduce the precision to three decimal places. Also, check that the angle units are set to degrees. Click on the Direction button to open the Direction Control dialog box. By default, east should be specified as 0° for angular measurements. On the Home tab, select the Annotation drop-down box and select Manage Annotation Styles under the standard style. Set the font of your annotations to Courier New. Finally, you'll need to define an appropriate scale for your drawing. Next, you'll need to define the paper size you want to use for your drawing. Switch to your Layout, delete any content that appears in the layout, and turn off the grid. Click on the Output tab, and then select the Page Manager button. The Page Setup Manager dialog will appear; select the Modify button to change the page size. Another dialog will open, and you'll see a list of paper sizes on the left side of the dialog. Select the ANSI B paper size. A screenshot of the title block that will be used in the drawings for this project.FIGURE 1—A screenshot of the title block. Now go back to your layout and start adding a title block and a window that will show your drawing. Make sure that you draw your title block in the paper space, not in the model space. The title block will be 1 inch tall and should be split into five boxes. Your title block should have two rows, each 0.5 inches in height. The boxes showing your student name, ID number, a box with “Graded Project”, and a box for your scale should be 4 inches wide. The final box will contain the title of your drawing. Leave approximately 0.25 inches for the top and bottom margins, and leave approximately 0.75 inches for the left and right margins. Figure 1 shows how your title block should look. This title block will be used for all the drawings you create in this project. One of the best habits you can develop when using AutoCAD is to carefully define your layers. The layer names should be descriptive. Developing the habit of assigning color and linetype by layer and using only descriptive layer names will help you keep track of the various elements in your drawings. As you start building your drawing, you'll need to create new layers for hidden lines, bend lines, bolt holes, center lines, and annotations. Go to the Home tab and choose the Layer Properties button to bring up the Layer Properties Manager. In this project, you'll need to start by defining six layers. The names of these six layers should be “Bracket,” “BoltHoles," "HiddenLines," "CenterLines,” and “Annotations.” Change line color in each layer to match the following color scheme in the Color Scheme for Layers table. Color Scheme for Layers Layer Color Bracket White BoleHoles Yellow HiddenLines Magenta CenterLines Cyan Annotations White Once you've created your layers, you'll need to define linetypes for each layer that match the standard conventions for the different types of lines. To do this, go to the Properties box on the Home tab. Select the drop-down box for linetypes and choose Other. From here, you can load standard linetypes and add them to the linetype drop-down list. Select the Load button; you'll need to add the "ISO dash space” and “ISO long-dash short-dash” linetypes. Finally, you'll need to define a linetype scale so that you can properly see these linetypes. To do this, use the LTSCALE command and set the scale to 0.02. Now that you've defined your layers and linetypes, you're ready to start drawing your bracket. This particular bracket is a U-shaped metal hanger. This bracket will be made from soft aluminum that is 0.25 inches thick. The bend radius for all bends will be 0.1 inches. If you look up a K-factor for this material and bend radius, you will find that the K-factor is 0.33. All bends in this drawing will be 90° bends. You'll need to use this to calculate the bend deduction and the bend allowance. A drawing showing a rough sketch of the bracket you will create in this project. The end face and a view of the base are shown. FIGURE 2-A rough sketch of the bracket for this project. Note that this sketch is not drawn to any scale. First, draw the outside face, a top view, and a side view of the bracket. You'll often need to prepare a fabrication drawing from a rough sketch prepared by a colleague. Figure 2 shows a rough sketch of this bracket with the location of the drill holes. If you look at the left side of Figure 2, the center of the lower hole is 1.5 inches above the bottom of the base. The next hole is 1.5 inches above the first hole. If you look at the top view, each hole is 1.5 inches from the outside edge. The holes are aligned along the center of the base and the edges. In total, each face and the base of the bracket will have two drill holes. The holes on the base and on the faces should be centered along the length of the bracket. The dimensions in the above figure refer to the total length and width, meaning that these measurements include the thickness of the sheet metal used to form the bracket. A drawing showing a sketch of the bracket you will create in this project. The end view, top view, and side view are shown. FIGURE 3—A sketch of the bracket for this project in AutoCAD. When building your multiview drawing, you'll need to place the end view of the bracket shown in Figure 3 in the bottom left portion of the drawing. You'll show a top view above this, and a side view should appear to the right. Start by drawing the outline for each view, either as lines or polylines. Make sure to place each type of line (hidden, bolt holes, and center lines) in the appropriate layer. Placing these center lines and hidden lines will help you create your drawing very quickly. In order to properly align the drill holes, you should manually enter offsets for your lines and circles as you draw them. The easiest way to draw the bolt holes is to use the Circle (Center, Diameter) tool. A screenshot in AutoCAD of the bracket in 3D. This model is shown in an isometric view.FIGURE 4 A 3-D drawing of the bracket. Now, you'll create a 3-D model of this bracket in the same drawing. Create a new layer, and name it Model. Switch to this layer and start drawing out a 3-D model for the bracket. For this model, you should use lines to draw your bracket as this will make it easier to erase overlapping lines in your model. Keep in mind that you'll need to rotate the bracket to an isometric view after it is finished. Draw your model from the top view in the X-Y plane. Figure 4 shows a 3-D view of the bracket in an isometric view. After you have finished your model, you will need to rotate it to an isometric view. To do this, select the model and type the ROTATE3D command. In total, you'll need to rotate the model three times. You'll see several options in the command line. These commands allow you to select the axis about which the model will rotate. After you choose an axis, you will need to select a reference point on the 3-D model. It's best to choose one of the corners of the model. Try to choose the same corner for each rotation, otherwise, the model may move to a strange location and it might overlap with your multiview drawing. You'll perform the following three 3-D rotations: X axis, -90 degrees Y axis, 45 degrees X axis, -35.2466 degrees You should now see an isometric view of your model next to a 2-D view of your multiview drawing. Note that a 3-D perspective in a multiview drawing should not have any overlapping lines, and hidden lines are not normally used in these models. Once you get to this point, you'll need to start removing overlapping lines that would normally be shown as hidden lines. Some lines can be selected and deleted, but other lines may have to be extended or shrunk so that they do not appear behind one face of the bracket. For the bolt holes, show only the circles that can be seen from the isometric view and delete any of the circles that would appear as hidden lines. If you rotated the model correctly, you'll that there is one circle in the base that is cut in half by the end of the bracket. This circle needs to be replaced with an arc. The easiest way to draw this arc is to use the Center-Start-End setting. Rotate the view so that the viewport to the top view so that you are looking at the bracket from above. Follow the instructions below to set the isoplane so it matches the rotated viewport. If you need to draw a line in a rotated drawing, you'll need to change the isoplane you're working in to match the current view in AutoCAD. By default, the isoplane is the X-Y plane when you begin a new drawing. One easy way to change the isoplane is to rotate so that you are facing the plane in which you would like to draw. Once you rotate to the desired plane, use the UCS command and select the View option. The isoplane will now patch your view and you can start drawing 2-D lines and curve. To reset back to the original isoplane, type the UCS command and select the World option. A screenshot in AutoCAD of the finished multiview drawing. The upper right portion of the drawing shows the 3D model in isometric view.FIGURE 5—A multiview drawing with a 3-D model of the bracket. Once you're finished, your multiview drawing and your 3-D model should look similar to Figure 5. Drawing Your Flat Pattern Now you are ready to draw your flat pattern. If you look at the rough sketch in Figure 1, the dimensions are given as the outer dimensions of the bracket. In order to draw the flat pattern, you will need to calculate the bend deduction. You'll need to calculate the bend deduction for each bend. Use the formulas to calculate the bend allowance and the bend deduction before you start drawing your flat pattern: You should find that the bend deduction is 0.0633 inches and the bend allowance is 0.2867 inches. Once you've calculated the bend deduction, you can calculate the total length of the sheet. If you add up the total length of the sheet and subtract the bend deduction for each bend, you'll find that the length of the sheet is 13.8733 inches. This is long enough that it's better to draw the flat pattern vertically. Draw the outline of the flat pattern in your Model view. Because of the bend in this bracket, you'll need to place bolt holes from the edge of the flat pattern. Remember that the bolts are defined based on the location of the center of the bolt hole; draw in your circles while carefully paying attention to the distance from the edge. Just like with drawing lines in your multiview drawing, this will be easiest if you type in the distances for your endpoints while you are drawing. To place the two holes that will appear in the base of the bracket, you'll need to offset the center of the bolt hole from the middle of the flat pattern. The total length of the sheet, including the bend deduction, is 13.873 inches, so the distance to the middle of the sheet is 6.9365 inches. The holes in the base of the bracket are separated by 3 inches. Therefore, each hole will need to be offset from the center of the sheet by 1.5 inches. A screenshot in AutoCAD showing the location of one of the bend lines.FIGURE 6—The process for placing a bend line. The last step is to draw your bend lines. Normally, you would need to calculate this location based on the bend allowance and bend deduction. However, there's a very easy way to place the bend line in this flat pattern by using the location of the holes on the base and the end. If you take a moment to draw a dimension line across the bend region connecting two holes, you should find that the distance is 2.9365 inches. This is shown in Figure 6. The bend line should be placed in the middle of these two holes. Because you now have a measurement for the distance between these two holes, you can easily calculate the distance to the midpoint. This is the location where you should draw your bend line. This is shown in the green line in the above figure. Repeat this process for the other bend line. At this point, you have drawn all the important portions of this drawing and you can start creating a final draft. Moving Your Model to Paper Add a table with two rows to your layout in the upper right corner. Make sure you add this to the paper space and not the model space. Each row should be 0.5 inches tall and 7 inches long. Add the following information to your table: Thickness Bolt size Bend R Material 0.25 in. #1/2-13 0.1 in. Soft Al Place this table so that it lines up with the upper right corner of the drawing. This should connect to the outline on your paper. Switch to Model space and arrange your model so that it sits in the lower left portion of the paper. Place the flat pattern in the right side of the paper. If everything was drawn correctly, you'll be able to use a 1:2 scale. At this point, you should start adding dimension lines in the Annotations layer. Note that you don't need to add every single dimension to this drawing. This should show you the advantages of using a multiview drawing; the various portions of the drawing are aligned with each other, and this reduces the number of annotations required to indicate dimensions. As a final step, select everything in the drawing and change all of your lines to black. Your finished drawing should look like Figure 7. The finished sheet metal drawing for this graded project.FIGURE 7—The finished sheet metal drawing. Inspecting Your Work Before sending your drawings for grading, examine your drawings for any errors. Make sure your name and student number appear on every drawing, and in the filename. As part of your inspection, consider the following points: Check for correct shape, size, and placement of entities. Exact placement can be confirmed by checking the coordinates of all lines, points, and arcs. Check that the entities are on the right layers. Check to ensure your blocks are the correct size, if you have used any blocks. Use the ERASE command to delete any unwanted marks. Make sure your name and student number appear on the drawing title blocks and in the filename (for instance, John Smith HVAC Sheet 1.dwg). When you feel confident that your work is complete, submit your work. Send in this material as soon as you complete the project. Don't wait until your work on the next project is finishedSee Answer

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TutorBin Mechanical Homework Help- A Trusted Mechanical Help Site For Students

SubjectsBenefits
Thermodynamics800+ Ph.D. Experts
Fluid Mechanics24*7 Availability
Hydraulic SystemDetailed explanations
Heat TransferAffordable Pricing
Kinetics and DynamicsHigh-quality solutions
Automation & RoboticsMoney Back Guarantee
CAD/CAMOriginal Work

Mechanical Engineering: Evolution and Disciplines

Considered the most intricate branch of engineering, mechanical engineering plays a pivotal role across industries, from designing massive machines to intricate biotechnological mechanisms. Early applications of mechanics trace back to ancient Greece and China, with notable contributions from European and Arabic scientists during the medieval ages.

The industrial revolution in Europe propelled the study of mechanics, becoming a cornerstone supporting millions of livelihoods. Mechanical engineering spans various sub-disciplines, including mechanics, statics, dynamics, fluid mechanics, and more.

Sub-disciplines Covered in Mechanical Engineering Assignment Help:

Mechanical engineering encompasses a broad spectrum of sub-disciplines, including mechanics, statics, dynamics, mechanics of materials, fluid mechanics, kinematics, continuum mechanics, and fundamental principles such as mechanical electronics.

Principles and Applications:

Mechanical electronics, often known as Mechatronics, explores the integration of mechanics and electronics. It influences various sectors, exemplified by applications in CD-ROM drives, robotics, and space exploration.

Structural analysis delves into the performance and failure analysis of objects and machinery, examining static and fatigue failures. Thermodynamics, a fundamental aspect, studies the principles and applications of energy on machinery, influencing power plants, engines, and various systems.

Design and Drafting:

Design and drafting, crucial components of mechanical engineering, involve precise technical illustrations guiding machinery and product design. Skilled individuals in technical drawing, known as draftsmen, play a pivotal role in this field.

Mechanical Engineering Coursework:

Students pursuing mechanical engineering undergo coursework covering mathematics, instrumentation and design, manufacturing engineering, statics and dynamics, thermodynamics, strength of materials, and more. This coursework is consistent globally, providing a foundation for practical and analytical thinking.

Benefits and Promising Future:

Mechanical engineering offers promising career prospects, with 15 percent of engineers employed in the USA being mechanical engineers in 2009. The field's growth was anticipated at 6 percent annually. Mechanical engineering appeals to those seeking innovation, provides diverse career options, lucrative salaries, and serves as a core engineering discipline, ensuring versatility for future pursuits.

Mechanical engineering, with its rich history and diverse applications, stands as a field of innovation and core engineering principles. Pursuing this discipline promises a prosperous and fulfilling career. For impeccable Mechanical Engineering Assignment Help, seek assistance from us to achieve excellent results and clarity in assignment writing.

Mechanical Engineering Help- No. 1 Option For College Students From the USA

The commitment to offer college students mechanical engineering help supported TutorBin to become one of the most reliable resources. TutorBin establishes its platform to offer flexible academic help to students worldwide. We cater to college students from the USA, UK, Canada, Australia, Singapore, UAE, and many more. Our online tutor for mechanical engineering team makes sure that students from different top-tier colleges and universities achieve their desired academic success.

When it comes to seeking mechanical engineering help from our team, we ensure that every requirement of students gets fulfilled, irrespective of their college & academic levels. Due to our dedicated & high-quality personalized mechanical assignment help, we have got high ratings in Trustpilot & EduReviewer (4.2 & 4.4) along with enormous positive reviews. Currently, we have a strong 1.1M+ satisfied students associated with us. This trust that students put on us made TutorBin No. 1 choice for college students.

Fundamental Subject Guidance From Mechanical Engineering Help Experts

Mechanical engineering help online often not only supports you in completing your homework but also helps to build a solid understanding of the fundamental subjects required to master mechanical engineering. Expert support is available for the below-mentioned subjects:

Mathematics (in particular, differential equations, calculus, and linear algebra) Basic physical sciences (including chemistry & physics)
Solid mechanics Strength of materials
Materials engineering and composites Heat transfer, energy conversion, and HVAC
Internal combustion engine, along with fuels and combustion Mechanism and Machine design (Includes Dynamics and kinematics)
Fluid statics and fluid dynamics Statics and dynamics
Instrumentation and measurement Manufacturing engineering, technology, or processes
Vibration Drafting
Control theory, and control engineering Engineering design and product design
Hydraulics and Pneumatics Mechatronics and robotics

Topics Covered By Mechanical Engineering Assignment Help Experts

The mechanical engineering field of study is quite extended. It includes diverse topics and sub-topics. Some topics are complex and have abstract concepts that demand expert guidance. Students can use their time and efforts wisely with the mechanical engineering homework help experts. It helps them in mastering the subject concepts thoroughly within a reasonable timeframe.

Biomechanics Combustion and the Environment
Ground Vehicle Systems Energy Systems and Heat Transfer
Mechanical Design Transportation Systems
Solid Waste Management Suspension System
System Dynamics and Control Mechanical Energy Storage

How to Find The Best Mechanical Engineering Homework Expert?

We have already explained why mechanical homework help has become the right study partner for students. Now, the question arises of where you can find such mechanical help. Moreover, how do we know this mechanical homework help suits me best? Here, we will say a few words regarding finding the best mechanical engineering homework resources. These pointers will help you make the right decision.

  • Online freelance tutors who help with mechanical engineering homework
  • Websites offering homework help mechanical
  • Offline subject matter specialists for mechanical help
  • Seniors or Peers for mechanical engineering homework help
  • Offline mechanical engineering tutor from your area/locality

Checklist to select the best option for you:

  • If you are looking for an offline freelance tutor, look for a teaching background, tutoring knowledge, and previous experience.
  • Whether your online tutor for mechanical engineering offers flexible time to study?
  • Is your online mechanical engineering tutoring expert available in your time of need?
  • See that your mechanical engineering homework help experts deliver you unplagiarized work.
  • Check out if you get accurate and step-by-step explanations for better understanding.
  • See whether your mechanical homework tutor explains the underlying concepts if you have any doubts.
  • Instant help for soil mechanics homework help
  • Confirm that they deliver your tasks before the deadline
  • Don't forget to check the affordability of the services

Online Tutor For Mechanical Engineering College Students

With a highly competitive and experienced Online tutor for mechanical engineering, studying this subject in colleges and universities becomes easier than anticipated. We understand that acing this subject in a few years is not possible without continuous assistance from homework experts and online mechanical engineering tutoring specialists. That's why TutorBin is here to help. Your study help will not be restricted within the limited timeframe of your colleges and universities. We have established a team of 65000+ experts, including 800+ Ph.D. holders. Our SMEs and professionals help you to finish your homework and resolve your doubts. Moreover, they also provide homework explanations to ensure you get the concept clarity and understand the problem-solving approach better.

Assignment Topics Mechanical Engineering Assignment Help Experts Cover

When discussing mechanical engineering assignment help, we must say that our team of subject matter specialists not only have domain expertise but also possess extensive experience in mechanical assignment help. We cover wide variants of assignment topics that help students to come up with original work, well-written assignments with 100% accuracy. Our experts solve all your mechanical engineering problems hindering your study. From assignment completion and concept clarity to doubt clearance, our team makes sure that we fulfill all your assignment requirements.

Mechanical Bird Flapping Mechanism Design & Fabrication of V8 Engine DIY Automatic Screen Printing Machine
Motorized Solar Scarecrow Bird Animal Repellent Convex Surface Milling Machine Springless Car Suspension Using Bevel Gears
Cam Shaft Mechanism DIY Ventilator Pedal Press Pneumatic Lifting Jack Reciprocating Auto Pneumatic Hacksaw
Contactless Air Conveyor For Goods Movement Hydraulic Flood Protection System for Homes Automatic Roti Puri Maker Motorized Press
360 Degree Fire Protection System 8 Leg Spider Robot by Theo Jansen Linkage Goods Transport Stair Climber Robot
Mini Solar Water Heater Regenerative Braking System Project RC Solar Lake Pool Cleaner Drone
DIY Ventilator using Arduino For Covid Pandemic Electromagnetic Coil Gun 3 Stage Indoor Farming Hydroponic Plant Grow Tent
Automatic Coil Winding Machine Sustainable Fishing Drone Without Bycatch Wind & Solar Mobile Charging Station
Oil Skimmer RC Boat Auto IV Pole with IV Bag Refill Alert Mini Hydraulic Hand Operated JIB Crane
Hand Motion Controlled Robotic Vehicle Levitating Frictionless Vertical Windmill Automatic Self Folding Dining Table

TutorBin Help with Mechanical Engineering Homework: One-Stop Solution

TutorBin is the outcome of the thought that tutors should help students develop their knowledge and support them if they feel stuck during their studies. The founders of this organization take its motivation by assisting students in improving their knowledge base. It also enables them to learn at their pace and gain a competitive advantage. TutorBin has become one of the top choices for students where they get any academic support whenever they need it.

One of the most important aspects of TutorBin is its tutors who help with mechanical engineering. They dedicated their time for promoting continuous learning that enhances knowledge and experience to apply the gained knowledge in real life. Our experts often face different queries like " where should I go to do my mechanical homework?", "Will TutorBin help me to do my mechanical homework?". Sometimes, we also get questions like, "Is it possible to pay someone if I need help with my mechanical homework?" For all these questions, our tutors say Yes! TutorBin offers help with mechanical engineering homework, including Computational fluid mechanics help.

TutorBin has a strong tutor base for mechanical help, including 800+ Ph.D. holders. Our quality mechanical homework help offer high quality tasks within the deadline. Our executives also take care that students get their solutions at affordable prices. TutorBin provides excellent after-sales support as well.

Why Do University Students Need Help With Mechanical Engineering Homework?

The perspective on providing education has changed significantly in the last decade. Experts conducted various researches to see different aspects of education. From there, they have seen the emerging trend of homework help mechanical. Here are some of the reasons that they discovered behind this trend.

Less academic interest in students:One significant drawback of the current education system is its extensive coursework, leaving minimal time for in-depth learning, especially in advanced courses like Mechanical Engineering. The limited time hinders teachers from devoting sufficient attention to each topic, leading students to believe that memorization is the key to mastering the subject. However, in advanced courses like Mechanical Engineering, understanding real-life implications is crucial, making mere memorization ineffective. The lack of guidance further hampers students' interest in subjects, contributing to the challenge of diminished academic enthusiasm, emphasizing the need for specialized support such as Mechanical Engineering Homework Help.

Lack of subject understanding: Another reason that increases homework help mechanical is the lack of subject understanding. Due to the memorization that we have mentioned above, students ignore that they need to grasp the underlying concepts for their advanced studies. Without a proper understanding of conceptual knowledge, problem solving will not be possible.

Doubts or confusion about a topic: In advanced studies, students face challenges due to their doubts. They are not able to clear their doubts or confusion about the subject as teachers have very less time to devote to such cases. Therefore, students take help with mechanical homework.

Juggling different homework once a time: Heavy coursework demands time and effort. Students often struggle to keep up the pace of learning due to multiple homework. They feel burned and overworked. Exhaustion affects them badly in such circumstances- The key reason to shift towards mechanical help.

Conflicting priorities: Life events sometimes challenge students to focus on their studies. Conflicting priorities become a tough situation for them. Students often feel they are forced to submit homework even when they are not in the right state of mind. Under these circumstances, students opt for academic help.

TutorBin Mechanical Engineering Homework Help Benefits

We have already discussed the reasons why academic help is on the rise. Here, we will discuss why homework help mechanical from TutorBin is winning students' hearts. TutorBin has a strong team of tutors who care for students' needs. The team supports them to enhance their productivity and ensure they gain knowledge without sacrificing mental peace.

All types of homework in one platform- TutorBin is a one-stop solution for homework related needs. You can choose any subject that you want help with. Our team will support you in understanding the problem and show you the right homework help solution for that particular problem. Subject matter experts are available for all levels of subject help. This academic help has two significant purposes. First, university and grad school students get assurance that subject matter experts properly guide them. Secondly, they will be able to enhance their subject knowledge & boost productivity to enjoy a competitive advantage.

Accessibility of 24*7 tutor help: Learning is a process that includes knowledge enhancement and information retention. Accessibility to academic help motivates students to extend their learning period beyond the limited school hours. One of the major benefits of such help is its availability during your preparation, exam time, or whenever you need it. Students get stuck while doing homework. It is quite normal for them. Under this condition, tutors' assistance helps students understand the subject and often clear their doubts.

Customized Learning Experience: Learning is an experience for students, though, in this decade, students feel more pressure while studying. Due to heavy coursework, teachers have limited time to take care of the extra need of students who cannot keep up with the pace. Students find it challenging to complete the course without support. Therefore, TutorBin offers online assignment help to students. It not only allows students the flexibility to learn at their pace but also supports them in gaining subject knowledge without getting stressed.

Cost-Effective Solution For Students: TutorBin knows that finance is a big concern for students. It is directly related to their studies. Some educational support or academic assistance organizations raise their cost, thinking it would help them earn big. But this step often puts students in a situation where they can't afford to take support. Understanding the circumstances of students, TutorBin presented this solution for them. The charges often vary due to subject complexity, service type, and deadline, though the costs are still affordable.

What You Can Expect From TutorBin Mechanical Engineering Assignment Help

When you seek mechanical engineering assignment help, it brings forth what to expect from TutorBin. Let us explain here which facilities you will get and how TutorBin will help you to get a better academic help experience.

If you opt for personalized mechanical engineering homework assistance from TutorBin, we are in for customized learning help. Our online mechanical engineering tutoring will address your individualistic academic needs according to your learning style and study pace. Not only our experts resolve your mechanical engineering problems, but you will also get end-to-end guidance to boost your learning capability. We try our best to boost your academic success.

  • Give valuable insights on your specific homework
  • Simplify complex mechanical engineering problems and come up with easy solutions
  • Break down topics and make them easy to understand
  • Detailed solutions with step-wise explanations for the concept clarity
  • Tailored answers for mechanical engineering problems
  • A practical approach to achieving real-time solutions to mechanical engineering problems
  • Mechanical assignment help experts to offer thorough guidance to students
  • Online mechanical engineering tutoring facility for enhancing learning capability
  • Experts with extensive teaching experience who taught you with empathy and patience
  • Develop reasoning, logical, and analytical skills
  • Prompt response and offer chemistry solution on time

Homework Services FAQs Asked By Students

We got lots of queries from students. Some ask “Is it possible to pay someone to do my mechanical homework?” or “Can you do my mechanical homework?”- We would like to remind students that we are here for their academic help.

What Is Mechanical Assignment Help?

It is an academic support service where students get direct assistance from an online tutor for mechanical engineering. College students & advanced study pursuers utilize this mechanical help to finish their homework and avail guidance from the assignment preparation.

Can I Pay Someone To Do My Mechanical Engineering Homework For Me?

Students who cannot do their tasks or are facing problems doing homework can pay experts from mechanical engineering help websites to do their homework for them.

What is the best website for mechanical engineering homework help?

If you search the internet, you will see several websites offering mechanical engineering homework help. TutorBin is one such highly recommended site that helps students complete their homework, provides guidance for understanding subject concepts, solves mechanical homework problems, and clears subject doubts. This site offers academic help 24/7 and ensures students perform well and get help whenever required.

How Do We Aim To Provide Mechanical Assignment Help?

The main aim of providing mechanical assignment help is to offer students a positive environment for learning and excellent academic support. Our flexible service and better accessibility of experts as per their requirements allow students to fulfill their academic needs. We offer 24/7 guidance that ensures students get a better academic help experience from us whenever they opt for us.

How Long Does It Take To Get Mechanical Help From Experts?

The number of days for mechanical engineering homework completion is not fixed, though we have a moderate time chart. We try to submit homework on or before the deadline. However, the time limit to complete homework depends on the difficulty level and the proximity of the deadline.

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