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In: Mechanical Engineering

A single stage simple vapr compression refrigeration cycle using R12 refrigerant is operating at a condenser...

A single stage simple vapr compression refrigeration cycle using R12 refrigerant is operating at a condenser temperature of 40 degrees C and an evaporator temperature of -5 degrees C. If the compressor is a reciprocating type compressor with 4 cylinder, rotating at 1800 RPM, has a cylinder diameter of 5cm, stroke length to diameter ratio of 1.4, and clearance ratio of 5%. Assume a polytropic index to be 1.13. 1- Sketch the cycle flow diagram, and identify the states on the P-H diagram. Calculate the refrigeration effect, refrigeration capacity in TR, the compressor power in HP, the cycle COP, the temperature of the refrigerant after exiting the compressor, and the cycle refrigeration efficiency.

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