a hot water stream at 60 c flows through the concentric tube heat exch
A hot water stream (at 60 °C) flows through the Concentric Tube Heat Exchanger (a bore brass pipe). The pipe has an outside radius of 50 mm and the wall thickness is 3 mm. The cooling fluid in the shell of the heat exchanger has a temperature of 25 °C. The thermal conductivity of brass is 123 W/mK, the inside heat transfer coefficient is 2500 W/m?K and the outside heat transfer coefficient is 20 W/m?K.Q1 Calculate the thermal efficiency of the heat exchanger Calculate the logarithmic mean temperature difference c)Calculate the heat transfer coefficient
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