Refrigerant 134a at p1 = 30 lb/in?, T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 175 lb/h and exits as saturated vapor at p2 = 160 lbț/in². Heat transfer occurs from the compressor to its surroundings, which are at To = 40°F. Changes in kinetic and potential energy can be ignored. The power input to the compressor is 1.75 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-°R. Step 1 Determine the heat transfer rate for the compressor, in Btu/hr. -3264.15 Btu/hr
Refrigerant 134a at p1 = 30 lb/in?, T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 175 lb/h and exits as saturated vapor at p2 = 160 lbț/in². Heat transfer occurs from the compressor to its surroundings, which are at To = 40°F. Changes in kinetic and potential energy can be ignored. The power input to the compressor is 1.75 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-°R. Step 1 Determine the heat transfer rate for the compressor, in Btu/hr. -3264.15 Btu/hr
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Transcribed Image Text:Refrigerant 134a at p1 = 30 lb/in², T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 175 lb/h and exits
as saturated vapor at p2 = 160 Ib/in?. Heat transfer occurs from the compressor to its surroundings, which are at To = 40°F. Changes in
kinetic and potential energy can be ignored. The power input to the compressor is 1.75 hp.
Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-°R.
Step 1
Determine the heat transfer rate for the compressor, in Btu/hr.
i
-3264.15
Btu/hr
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