A coflowing heat exchanger has one line with 2 kg/ saturated water vapor at 100 kPa entering. The other line is 1 kg/ air at 200 kPa, 1200 K. The heat exchanger is very long so the two flows exit at the same temperature. Find the exit temperature by trial and error. Calculate the rate of entropy generation.
C.V. Heat exchanger, steady 2 flows in and two flows out. No W, no external Q
No pressure correction is needed as the air pressure for 4 and 3 is the same.
