A vapor-compression refrigeration system operates on a cycle with evaporation temperature of 0°C and a condensation temperature of 26 °C. The refrigerant used is tetrafluoroethane (Table 9.1, Fig. F.2). The compressor efficiency is 0.79 and the rate of refrigeration is 600 kW. Determine the circulation rate of the refrigerant, the heat- transfer rate in the condenser, the power requirement, the coefficient of performance of the cycle, and the coefficient of performance of a Carnot refrigeration cycle operating between the same temperature levels.

A vapor-compression refrigeration system operates on a cycle with evaporation temperature of 0°C and a condensation temperature of 26 °C. The refrigerant used is tetrafluoroethane (Table 9.1, Fig. F.2). The compressor efficiency is 0.79 and the rate of refrigeration is 600 kW. Determine the circulation rate of the refrigerant, the heat- transfer rate in the condenser, the power requirement, the coefficient of performance of the cycle, and the coefficient of performance of a Carnot refrigeration cycle operating between the same temperature levels.

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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Question

A vapor-compression refrigeration system operates on a cycle with
evaporation temperature of 0°C and a condensation temperature of
26 °C. The refrigerant used is tetrafluoroethane (Table 9.1, Fig. F.2).
The compressor efficiency is 0.79 and the rate of refrigeration is 600
kW. Determine the circulation rate of the refrigerant, the heat-
transfer rate in the condenser, the power requirement, the
coefficient of performance of the cycle, and the coefficient of
performance of a Carnot refrigeration cycle operating between the
same temperature levels.

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