A simple saturated refrigeration cycle for R-12 system operates at an evaporating temperature of-5C and a condensing temperature of 40℃.For refrigerating capacity of 30 kw, determine the work of the compressor. At 40°℃,hf=238.5 kJ/kg;at-5C,hg =349.3 kJ/kg,.Enthalpy entrance to the condenser is 372 kJ/kg.

A simple saturated refrigeration cycle for R-12 system operates at an evaporating temperature of-5C and a condensing temperature of 40℃.For refrigerating capacity of 30 kw, determine the work of the compressor. At 40°℃,hf=238.5 kJ/kg;at-5C,hg =349.3 kJ/kg,.Enthalpy entrance to the condenser is 372 kJ/kg.

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

Chapter22: Condensers

Section: Chapter Questions

Problem 7RQ: When a standard-efficiency air-cooled condenser is used, the condensing refrigerant will normally be...

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