A simple saturated refrigeration cycle for R-12 system operates at an evaporating temperature of -5°C and a condensing temperature of 40°C. Determine (a) the refrigerating effect per kg, (b) the work per kg, (c) heat rejected at the condenser per kg, (d) the COP. For a refrigerating capacity of 1 kW, determine (e) the total heat rejected at the condenser, (f) the work, and (g) the volume flow rate.

A simple saturated refrigeration cycle for R-12 system operates at an evaporating temperature of -5°C and a condensing temperature of 40°C. Determine (a) the refrigerating effect per kg, (b) the work per kg, (c) heat rejected at the condenser per kg, (d) the COP. For a refrigerating capacity of 1 kW, determine (e) the total heat rejected at the condenser, (f) the work, and (g) the volume flow rate.

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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