A carnet heat engine receives heat from a hot reservoir of a temperature 327°c and it rejects the heat to an enviroment with an atmospheric temperature of 27°c . The entire work output of the heat engine is used to run a refrigerator which transfers heat from freezing compartment with a temperature of -23°c and rehects the heat to the same enviroment . Cooling rate required by the refrigirator is 4.5 kW. A) if the rate of heat transfer from hot reservoir to the heat engine is 0.90 kW . Predict the minimum additional power required to run the refrigerator . B) predict a minimum rate of heat transfer from hot reservoir to the heat engine required in order to run the refrigerator without any additional power

A carnet heat engine receives heat from a hot reservoir of a temperature 327°c and it rejects the heat to an enviroment with an atmospheric temperature of 27°c . The entire work output of the heat engine is used to run a refrigerator which transfers heat from freezing compartment with a temperature of -23°c and rehects the heat to the same enviroment . Cooling rate required by the refrigirator is 4.5 kW. A) if the rate of heat transfer from hot reservoir to the heat engine is 0.90 kW . Predict the minimum additional power required to run the refrigerator . B) predict a minimum rate of heat transfer from hot reservoir to the heat engine required in order to run the refrigerator without any additional power

Refrigeration and Air Conditioning Technology (MindTap Course List)

8th Edition

ISBN:9781305578296

Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson

Chapter45: Domestic Refrigerators And Freezers

Section: Chapter Questions

Problem 12RQ: Refrigerators currently being manufactured in the United States are using______as their refrigerant.

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