A K-134a home refrigerator operates on a simple cycle at pressures L.8 bar-abs and 7.5 bar-abs. refrigerant mass flow-rate is 0.005 kg/s. Fill up Tables 3a and 36. Part 3. Calculation: Performance of a Simple Refrige Table Ja. Selected Thermodynamic properties of R-134a refrigerant according to the given eycle. kJ/ kg a Specific Enthalpy at suction A Specific volume at suction m n³/kg kJ /g-K 31 e Specific entropy at suction kJ/ kg h2 d Specific enthalpy at discharge kJ/kg e. Specific enthalpy after expansion h4 Table 3b. Performance of the home refrigerator according to its cycle of operation. kWatt a. Evaporator cooling capacity b Condenser heat rejection rate kWatt C. Power required by compressor W Comp kWatt d Volume displacement of compressor VCamp e Coefficient of Performance-Ref f Coefficient of Performance-Camot Li/s COP Ref COP RC & Flash-gas formed after expansion x4 kg / kg
A K-134a home refrigerator operates on a simple cycle at pressures L.8 bar-abs and 7.5 bar-abs. refrigerant mass flow-rate is 0.005 kg/s. Fill up Tables 3a and 36. Part 3. Calculation: Performance of a Simple Refrige Table Ja. Selected Thermodynamic properties of R-134a refrigerant according to the given eycle. kJ/ kg a Specific Enthalpy at suction A Specific volume at suction m n³/kg kJ /g-K 31 e Specific entropy at suction kJ/ kg h2 d Specific enthalpy at discharge kJ/kg e. Specific enthalpy after expansion h4 Table 3b. Performance of the home refrigerator according to its cycle of operation. kWatt a. Evaporator cooling capacity b Condenser heat rejection rate kWatt C. Power required by compressor W Comp kWatt d Volume displacement of compressor VCamp e Coefficient of Performance-Ref f Coefficient of Performance-Camot Li/s COP Ref COP RC & Flash-gas formed after expansion x4 kg / kg
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
Chapter45: Domestic Refrigerators And Freezers
Section: Chapter Questions
Problem 2RQ: The operating condition for the single compressor in a household refrigerator is the lowest box...
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