A refrigeration plant running on R134a operates between saturation temperatures of 0 and… 1 answer below »

A refrigeration plant running on R134a operates between saturation temperatures of 0 and 45'C and has a refrigeration capacity of 1 MW. The vapour is dry saturated at entry to the compressor and there is no undercoating in the condenser. Compression takes place in a two-stage centrifugal compressor, each stage having the same pressure ratio and enthalpy rise. Taking s slip factor of unity and an overall isentropic efficiency for the compressor of 0.8

 

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