A vapour compression plant uses R-12 and is to develop 5 tonnes of refrigeration. The condenser and evapourator temperatures are to be 40°C and -10°C respectively. Determine (a) The refrigerant flow rate in kg/sec. (b) The volume flow rate handled by the compressor in m/sec (c) The compressor discharge temperature (d) The pressure ratio (e) The heat rejected to the condenser in kW (f) COP and (g) the Power required to drive the compressor.

A vapour compression plant uses R-12 and is to develop 5 tonnes of refrigeration. The condenser and evapourator temperatures are to be 40°C and -10°C respectively. Determine (a) The refrigerant flow rate in kg/sec. (b) The volume flow rate handled by the compressor in m/sec (c) The compressor discharge temperature (d) The pressure ratio (e) The heat rejected to the condenser in kW (f) COP and (g) the Power required to drive the compressor.

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

Chapter47: High-pressure, Low-pressure, And Absorption Chilled-water Systems

Section: Chapter Questions

Problem 13RQ: The subcooling temperature in a condenser can be measured by taking the difference between the A....

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