The adiabatic compressor of a refrigerationsystem compresses saturated R-134a va

Question

The adiabatic compressor of a refrigerationsystem compresses saturated R-134a vapor at 0oC to 600kPa and 500C. What is the isentropic effciency of thiscompressor? I know the eqn for =h2s-h1/h2a-h1 i found h1=250.45 and h2a=290.28 but i donot under stand how you find h2s HELP!! The adiabatic compressor of a refrigerationsystem compresses saturated R-134a vapor at 0oC to 600kPa and 500C. What is the isentropic effciency of thiscompressor? I know the eqn for =h2s-h1/h2a-h1 i found h1=250.45 and h2a=290.28 but i donot under stand how you find h2s HELP!! i found h1=250.45 and h2a=290.28 but i donot under stand how you find h2s HELP!!

Explanation / Answer

h2s is the Enthalpy of refrigerant at point 2 in superheatedcondition.you need to take it from superheated table at pressure atpoint 2. Hope this helps you.

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