oper vapor compression refrigeration cycle. The evaporator and condenser pressures are 200 kPa and 1400 kPa, respectively. The isentropic efficiency of the compressor is 88 percent. The refrigerant enters the compressor at a rate of 0.025 kg/s superheated by 10.1°C and leaves the condenser subcooled by 4.4°C. Determine a) the rate of cooling provided by the evaporator, the power input, and the COP, b) the same parameters if the cycle operated on the ideal vapor-compression refrigeration cycle between the same pressure limits.

oper vapor compression refrigeration cycle. The evaporator and condenser pressures are 200 kPa and 1400 kPa, respectively. The isentropic efficiency of the compressor is 88 percent. The refrigerant enters the compressor at a rate of 0.025 kg/s superheated by 10.1°C and leaves the condenser subcooled by 4.4°C. Determine a) the rate of cooling provided by the evaporator, the power input, and the COP, b) the same parameters if the cycle operated on the ideal vapor-compression refrigeration cycle between the same pressure limits.

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Description: Please answer step by step 4. A refrigerator uses refrigerant-134a as the working fluid and operates on the vapor-compression refrigeration cycle. The evaporator and condenser pressures are 200 kPa and1400 kPa, respectively. The isentropic efficiency

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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4. A refrigerator uses refrigerant-134a as the working fluid and operates on the vapor-
compression refrigeration cycle. The evaporator and condenser pressures are 200 kPa and
1400 kPa, respectively. The isentropic efficiency of the compressor is 88 percent. The
refrigerant enters the compressor at a rate of 0.025 kg/s superheated by 10.1°C and leaves
the condenser subcooled by 4.4°C. Determine
a) the rate of cooling provided by the evaporator, the power input, and the COP,
b) the same parameters if the cycle operated on the ideal vapor-compression refrigeration
cycle between the same pressure limits.

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