Refrigerant 134a at p₁ = 30 lb/in², T₁ = 40°F enters a compressor operating at steady state with a mass flow rate of 225 lb/h and exits as saturated vapor at p2 = 160 lb/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 2.25 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-ºR. Step 1 Determine the heat transfer rate for the compressor, in Btu/hr. Qov i Btu/hr

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Refrigerant 134a at p₁ = 30 lb/in², T₁ = 40°F enters a compressor operating at steady state with a mass flow rate of 225 lb/h and exits
as saturated vapor at p2 = 160 lb/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 2.25 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.
Qo
=
i
Btu/hr
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 225 lb/h and exits as saturated vapor at p2 = 160 lb/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 2.25 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. Qo = i Btu/hr
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