A vapor-compression refrigeration system circulates Refrigerant 134a at a rate of 0.15 kg/s. The refrigerant enters the compressor at -10 degees Celcius, 1 bar, and exits at 8 bar. The isentropic compressor efficiency is 76%. There are appreciable pressure drops as the refrigerant flows through the condenser and evaporator. The refrigerant leaves the condenser at 8 bar and 30 degrees Celcius. Ignoring the heat transfer between the compressor and its surroundings, determine: a) The rate at which energy is removed from the refrigerated space in kW b) The coefficient of performance

A vapor-compression refrigeration system circulates Refrigerant 134a at a rate of 0.15 kg/s. The refrigerant enters the compressor at -10 degees Celcius, 1 bar, and exits at 8 bar. The isentropic compressor efficiency is 76%. There are appreciable pressure drops as the refrigerant flows through the condenser and evaporator. The refrigerant leaves the condenser at 8 bar and 30 degrees Celcius. Ignoring the heat transfer between the compressor and its surroundings, determine: a) The rate at which energy is removed from the refrigerated space in kW b) The coefficient of performance

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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