An adiabatic heat exchanger is to cool ethylene glycol (cp

Chapter 7, Problem 7142

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An adiabatic heat exchanger is to cool ethylene glycol (cp 5 2.56 kJ/kg?8C) flowing at a rate of 2 kg/s from 80 to 408C by water (cp 5 4.18 kJ/kg?8C) that enters at 208C and leaves at 558C. Determine (a) the rate of heat transfer and (b) the rate of entropy generation in the heat exchanger.

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