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(12 points) A refrigerator using refrigerant-134a as the working fluid operates on the vapor compression cycle. The cycl
Posted: Mon May 16, 2022 1:41 pm
by answerhappygod
- 12 Points A Refrigerator Using Refrigerant 134a As The Working Fluid Operates On The Vapor Compression Cycle The Cycl 1 (38.56 KiB) Viewed 43 times
(12 points) A refrigerator using refrigerant-134a as the working fluid operates on the vapor compression cycle. The cycle operates between 200 kPa and 1.2 MPa. The refrigerant flows through the cycle at a rate of 0.023 kg/s. The actual) refrigerator has a compressor with an isentropic efficiency of 82%. The refrigerant enters the compressor slightly superheated by 4°C (hint add this to the saturation temperature). The refrigerant leaves the condenser slightly subcooled by 1.7°C. What is the rate of heat removal from the refrigerated space for the actual refrigerator? 3.00288 kW What is the power supplied to the compressor for the actual refrigerator? .9679 kW What is the COP for the actual refrigerator? 3.103 Under the ideal vapor compression cycle, for a refrigerator operating between these pressures and with the given refrigerant flow rate, what is: the rate of heat removal? kW the power supplied to the compressor? kW the COP? (Hint: remember for an ideal cycle the evaporator does not superheat the refrigerant and the condenser does not subcool it either.)