v 320 p latin air flowing at 320 m min is to be conditioned in a const
Air flowing at 320 m/min is to be conditioned in a constant pressure process at 1 atm from 43°C&
and 40 percent relative humidity to 25°C dry bulb and 18.5°C wet bulb. The air is first passed ove
coils to remove all the moisture necessary to achieve the final moisture content and then is
heating coils to achieve the final state. Fill in the properties table [8%) and determine the following:
Problem 3: [30%]
-Y = Pv
a) [3%] Sketch the process on the provided psychrometric chart.
b) [2%] The mass flow rate of air in "kg/s"
→Pv₁ = 3.484 kpa
Pat= 8.71 kpap
W 0.622 Pu
= 0.622 (3.484)
Sot = 1.7057
1/2 = 1.639
c) [5%] The rate of condensation in cooling section in "kg/s"
d) [7%] The rate of heat removal in the cooling section in "kW"
e) [5%] The rate of heat input in the heating section in "kW"
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