Evaluate a vapor cycle cooling system using R134a as the wor

Evaluate a vapor cycle cooling system using R-134a as the working fluid. The system supplies 1.5kg/minute of air at 110 kPa and 10C to a 2kW load. After the heat load, the air returns to the evaporator. The heat sink air is also at 110 kPa but at 50C. The evaporator and condenser have effectivenesses of 0.9. The compressor has an isentropic efficiency of 85 percent. Sketch the system Sketch the P-h diagram Show cycle analysis calculations for the operating condition Determine the compressor power requirement Determine the required air flow of the heat sink SECOND PART: Last Names beginning with: A-G will create a spread sheet that calculates air compressor inlet/outlet conditions from input conditions of pressure ratio, efficiency, mass flow, pressure (kPa) and temperature (C)

Solution

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