A refrigerator uses R-134a as its working fluid and operates on an ideal vapor- compression refrigeration cycle that uses an expansion valve (throttling device). The refrigerant evaporates at -20°C and condenses at 1.4 MPa. This unit serves a 15-kW cooling capacity. Determine the mass flow rate of the refrigerant, in kg/s.

A refrigerator uses R-134a as its working fluid and operates on an ideal vapor- compression refrigeration cycle that uses an expansion valve (throttling device). The refrigerant evaporates at -20°C and condenses at 1.4 MPa. This unit serves a 15-kW cooling capacity. Determine the mass flow rate of the refrigerant, in kg/s.

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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