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Address the following questions related to heat exchanger effectiveness.
Address the following questions related to heat exchanger effectiveness. Recall that the maximum heat transfer possible is the product of the minimum heat capacity (mass flow rate times specific heat) times the difference between the hot and cold side inlet temperatures.
a. sketch the temperature profiles for a 50% and 80% effectiveness heat exchanger. make sure you have the correct shape which includes the degree of steepness at each end.
b. What is the effectiveness for a heat exchanger with the following characteristics: the hot side is water entering at 160F and 21Ib/s, and the cold side is air entering at 20F and 4Ib/s. the heat exchanger has been designed to achieve an air outlet of 110F.