Refrigerant-134a enters the compressor of a refrigeration system as saturated vapor at 0.14 MPa and leaves as superheated vapor at 0.8 MPa and 60°C at a rate of 0.06 kg/s. Determine the rates of energy transfers by mass into and out of the compressor. Assume the kinetic and potential energies to be negligible. The enthalpies of refrigerant-134a at the Inlet and the exit are 239.19 kJ/kg and 296.82 kJ/kg, respectively. The rate of energy transfer by mass into the compressor is [ The rate of energy transfer by mass out of the compressor is [ kW. kW.

Refrigerant-134a enters the compressor of a refrigeration system as saturated vapor at 0.14 MPa and leaves as superheated vapor at 0.8 MPa and 60°C at a rate of 0.06 kg/s. Determine the rates of energy transfers by mass into and out of the compressor. Assume the kinetic and potential energies to be negligible. The enthalpies of refrigerant-134a at the Inlet and the exit are 239.19 kJ/kg and 296.82 kJ/kg, respectively. The rate of energy transfer by mass into the compressor is [ The rate of energy transfer by mass out of the compressor is [ kW. kW.

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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Question

Refrigerant-134a enters the compressor of a refrigeration system as saturated vapor at 0.14 MPa and leaves as superheated vapor
at 0.8 MPa and 60°C at a rate of 0.06 kg/s. Determine the rates of energy transfers by mass into and out of the compressor.
Assume the kinetic and potential energies to be negligible. The enthalpies of refrigerant-134a at the inlet and the exit are 239.19
kJ/kg and 296.82 kJ/kg, respectively.
The rate of energy transfer by mass into the compressor is
The rate of energy transfer by mass out of the compressor is
kW.
kW.

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