An air refrigeration system is required to produce 14.205 TR with a cooler pressure of 1,450 kPa and a refrigerator pressure of 210 kPa. Leaving air temperature are 28OC for cooler and 5OC for refrigerator. Expansion is isentropic and compression is polytropic with n = 1.34. Determine the required work and COP.

An air refrigeration system is required to produce 14.205 TR with a cooler pressure of 1,450 kPa and a refrigerator pressure of 210 kPa. Leaving air temperature are 28OC for cooler and 5OC for refrigerator. Expansion is isentropic and compression is polytropic with n = 1.34. Determine the required work and COP.

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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