Question: 9. The effluent from a gas compressor is cooled by contacting with water in a heat exchanger. The operating parameters for this system are given

9. The effluent from a gas compressor is cooled by contacting

9. The effluent from a gas compressor is cooled by contacting with water in a heat exchanger. The operating parameters for this system are given in the diagram below. ws water out Tg = 35C water in TA = 15C Compressor B P = 104 kPa 1 2 Ti = 30C m = 35 kg/min 3 P2 = 255 kPa Heat Exchanger T2 = 143C P3 = 255 kPa T3 = 65C Assuming natural gas to behave as an ideal gas and negligible heat losses to the surroundings, calculate: a. power requirement for the compressor and the required cooling water mass flow rate for the heat exchanger. b. entropy production rate for the compressor and for the heat exchanger separately

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