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Air modeled as an ideal gas enters an insulated compressor at a temperature of 300 K and 100 kPa, and leaves at 600 kPa. The mass flowrate of air entering the compressor is 50 kg/hr, and the power consumed by the compressor is 3 kW. (Rair = 0.287 kJ/kg-K, k = 1.4, cp = 1.0045 kJ/kg-K, cv = 0.718 kJ/kg-K)  Determine the isentropic exit temperature (Te,s) of the air in [K].                  Determine the actual exit temperature (Te) of the air in [K].                           Determine the isentropic efficiency of the compressor. (Answer: ηc,s = 93.3%)                               Determine the rate of entropy generated through the compressor in [kW/K]. (Answer: Ṡgen = 0.000397 kW/K)

Air modeled as an ideal gas enters an insulated compressor at a temperature of 300 K and 100 kPa, and leaves at 600 kPa. The mass flowrate of air entering the compressor is 50 kg/hr, and the power consumed by the compressor is 3 kW. (Rair = 0.287 kJ/kg-K, k = 1.4, cp = 1.0045 kJ/kg-K, cv = 0.718 kJ/kg-K)  Determine the isentropic exit temperature (Te,s) of the air in [K].                  Determine the actual exit temperature (Te) of the air in [K].                           Determine the isentropic efficiency of the compressor. (Answer: ηc,s = 93.3%)                               Determine the rate of entropy generated through the compressor in [kW/K]. (Answer: Ṡgen = 0.000397 kW/K)

Elements Of Electromagnetics
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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Air modeled as an ideal gas enters an insulated compressor at a temperature of 300 K and 100 kPa, and leaves at 600 kPa. The mass flowrate of air entering the compressor is 50 kg/hr, and the power consumed by the compressor is 3 kW. (Rair = 0.287 kJ/kg-K, k = 1.4, cp = 1.0045 kJ/kg-K, cv = 0.718 kJ/kg-K)

 Determine the isentropic exit temperature (Te,s) of the air in [K].

 

 

 

 

 

 

 

 

 Determine the actual exit temperature (Te) of the air in [K].

 

 

 

 

 

 

 

 

 

 

 

 

 

Determine the isentropic efficiency of the compressor. (Answer: ηc,s = 93.3%)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Determine the rate of entropy generated through the compressor in [kW/K]. (Answer: Ṡgen = 0.000397 kW/K)

 

 

 

 

 

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