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Refrigerant 134a enters an air conditioner compressor at 4 bar, 20°C, and is compressed at steady...

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Mechanical Engineering

Refrigerant 134a enters an air conditioner compressor at 4 bar,20°C, and is compressed at steady state to 12 bar, 80°C. Thevolumetric flow rate of the refrigerant entering is 7.5 m3/min. Thework input to the compressor is 112.5 kJ per kg of refrigerantflowing. Neglecting kinetic and potential energy effects, determinethe magnitude of the heat transfer rate from the compressor, inkW.

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