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Problem 4.040 SI Refrigerant 134a enters an air conditioner compressor at 4 bar, 20°C, and is compressed at steady state to 12 bar, 80°C. The volumetric flow rate of the refrigerant entering is 8.5 m3/min. The work input to the compressor is 127.5 kJ per kg of refrigerant flowing Neglecting kinetic and potential energy effects, determine the magnitude of the heat transfer rate from the compressor, in kw kW the tolerance is +/-596 Click if you would like to Show Work for this question:

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Answer #1

Ta = 80°C-80 +233 Ta = 353 K T-20,c = Rot223 T 243 K Win = -177.5 kJ t entry (for mas rat tenty to te ompron ) P, RT 60 Using enegt equation at bkt an the Cempenet 2o00 haie i querh Thufor above equctisy reduce toer al kg K 0.67y XI.0os(353-293)+0.674 x(一1775 G- kN --4S. 293 egethive sign in ot heat to the sumounclng

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