n a certain refrigeration system for low temperature application, a two stage operation is desirable which employs refrigerant 22 system that serves a 30 ton evaporator at -30 degree celcius. This system uses direct contact cascade condenser with a condenser temperature of 40 degree celcius. Find: A) Mass flow rate at the low pressure loop (m1) B) Mass flow rate at the high pressure loop (m5) C) Compressor work at the low pressure side.

n a certain refrigeration system for low temperature application, a two stage operation is desirable which employs refrigerant 22 system that serves a 30 ton evaporator at -30 degree celcius. This system uses direct contact cascade condenser with a condenser temperature of 40 degree celcius. Find: A) Mass flow rate at the low pressure loop (m1) B) Mass flow rate at the high pressure loop (m5) C) Compressor work at the low pressure side.

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

Chapter44: Geothermal Heat Pumps

Section: Chapter Questions

Problem 13RQ: If 14 gpm of water is flowing through an open-loop heat pump with a temperature difference of 7F,...

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