Refrigerant 134a at P1= 30 lb/in?, T1 40°F enters a compressor operating at steady state with a mass flow rate of 250 lb/h and exits as saturated vapor at p2 160 lbf/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 2.5 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr.°R.
Refrigerant 134a at P1= 30 lb/in?, T1 40°F enters a compressor operating at steady state with a mass flow rate of 250 lb/h and exits as saturated vapor at p2 160 lbf/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 2.5 hp. Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr.°R.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![Determine the entropy production rate for the compressor, in Btu/hr-°R.
12
4.45
Btu/hr-°R](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feb73c582-d7b1-4d07-8d04-78bfc150bc48%2Fe3f667fd-a1ec-43dd-8913-e3ff2f233f36%2Fowlev78_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Determine the entropy production rate for the compressor, in Btu/hr-°R.
12
4.45
Btu/hr-°R
![Refrigerant 134a at p1 = 30 lbş/in?, T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 250 lb/h and exits
as saturated vapor at p2 = 160 lbę/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 2.5 hp.
Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-°R.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Feb73c582-d7b1-4d07-8d04-78bfc150bc48%2Fe3f667fd-a1ec-43dd-8913-e3ff2f233f36%2F40gzoun_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Refrigerant 134a at p1 = 30 lbş/in?, T1 = 40°F enters a compressor operating at steady state with a mass flow rate of 250 lb/h and exits
as saturated vapor at p2 = 160 lbę/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 2.5 hp.
Determine the heat transfer rate for the compressor, in Btu/hr, and the entropy production rate for the compressor, in Btu/hr-°R.
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