Water is used as the working fluid in a Carnot-cycle heat
Chapter 6, Problem 38HP(choose chapter or problem)
Problem 38HP
Water is used as the working fluid in a Carnot-cycle heat engine, where it changes from saturated liquid to saturated vapor at 200°C as heat is added. Heat is rejected in a constant-pressure process (also constant T) at 20 kPa. The heat engine powers a Carnot cycle refrigerator that operates between−15°C and +20°C, shown in Fig. P6.38 Find the heat added to the water per kilogram of water. How much heat should be added to the water in the heat engine so that the refrigerator can remove 1 kJ from the cold space?
FIGURE P6.38
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