A real Heat Pump has .02 kg/s of refrigerant flowing through it and consumes 3 kW of power. The refrigerant is a mixture at 50% quality and 120 kPa entering the evaporator and leaves at 100 kPa and -20 C The refrigerant enters the condenser at 1.4 MPa and leaves at 1.2 MPa Assuming no loss in pressure or temperature in the connecting pipes determine the Temperature, Pressure, Enthalpy and Entropy at all positions in the cycle, the heat transfer coming in and leaving, the COP of this Heat Pump, the Isentropic Efficiency of the compressor and the rate of entropy generation in the compressor and of the throttling process
A real Heat Pump has .02 kg/s of refrigerant flowing through it and consumes 3 kW of power. The refrigerant is a mixture at 50% quality and 120 kPa entering the evaporator and leaves at 100 kPa and -20 C The refrigerant enters the condenser at 1.4 MPa and leaves at 1.2 MPa Assuming no loss in pressure or temperature in the connecting pipes determine the Temperature, Pressure, Enthalpy and Entropy at all positions in the cycle, the heat transfer coming in and leaving, the COP of this Heat Pump, the Isentropic Efficiency of the compressor and the rate of entropy generation in the compressor and of the throttling process
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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A real Heat Pump has .02 kg/s of refrigerant flowing through it and consumes 3 kW of power.
The refrigerant is a mixture at 50% quality and 120 kPa entering the evaporator and leaves at 100 kPa and -20 C
The refrigerant enters the condenser at 1.4 MPa and leaves at 1.2 MPa
Assuming no loss in pressure or temperature in the connecting pipes determine the Temperature, Pressure, Enthalpy and Entropy at all positions in the cycle, the heat transfer coming in and leaving, the COP of this Heat Pump, the Isentropic Efficiency of the compressor and the rate of entropy generation in the compressor and of the throttling process
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