A 105 x 205 mm reciprocating R134a compressor operates with a suction pressure of 0.2928 MPa and a condenser pressure of 1.2 MPa. The cycle frequency is 23 cps. The evaporator load is 12.8 tons. The mechanical efficiency of compressor is 75%. The clearance volume of compressor is 5% Determine (a) Draw the ph Diagram and Refrigeration System Diagram (b) enthalpy and temperature of superheated vapor (show interpolation) (c) mass of flash vapor entering evaporator, kg vapor/kg refrigerant
A 105 x 205 mm reciprocating R134a compressor operates with a suction pressure of 0.2928 MPa and a condenser pressure of 1.2 MPa. The cycle frequency is 23 cps. The evaporator load is 12.8 tons. The mechanical efficiency of compressor is 75%. The clearance volume of compressor is 5% Determine (a) Draw the ph Diagram and Refrigeration System Diagram (b) enthalpy and temperature of superheated vapor (show interpolation) (c) mass of flash vapor entering evaporator, kg vapor/kg refrigerant
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
Chapter3: Refrigeration And Refrigerants
Section: Chapter Questions
Problem 12RQ: The condensing pressure is 260 psig and the condenser outlet temperature is 108F for R-22. By how...
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Scope: Standard Refrigeration System
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