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A vapor-compression refrigeration cycle working with R22 contains a liquid-to-suction heat exchanger. The saturated liquid refrigerant at...

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Mechanical Engineering

A vapor-compression refrigeration cycle working with R22contains a liquid-to-suction heat exchanger. The saturated liquidrefrigerant at 40 °C leaving the condenser and entering the heatexchanger is used to superheat the saturated vapor refrigerantleaving the evaporator at 7 °C by 8 °C. If the compressor iscapable of pumping 5 l/s of vapor refrigerant measured at the inletto the compressor and the compression processes are consideredisentropic in both cases listed below, determine;
(a) The refrigerating capacity in kW, the compressor power inkW, and the COP of the system in the absence of the heatexchanger.
(b) The refrigerating capacity in tons refrigeration, thecompressor horsepower, and the COP of the system in the presence ofthe heat exchanger.
Please give me the solution within half an hour

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