A simple air refrigeration system is used for an aircraft to take a load of 20 TR. The ambient pressure and temperature are 0.9 bar and 22 ∘C. The pressure of air is increased to 1 bar due to isentropic ramming action. The air is further compressed in a compressor to 3.5 bar and then cooled in a heat exchanger to 72 ∘C. Finally, the air is passed through the cooling turbine and then it is supplied to the cabin at a pressure of 1.03 bar. The air leaves the cabin at a temperature of 25 ∘C. Assuming isentropic process, find the COP and the power required in kW to take the load in the cooling cabin. A simple air refrigeration system is used for an aircraft to take a load of 20 TR. The ambient pressure and temperature are 0.9 barand 22 °C. The pressure of air is increased to 1 bar due to isentropic ramming action. The air is further compressed in a compressorto 3.5 bar and then cooled in a heat exchanger to 72 °C. Finally, the air is passed through the cooling turbine and then it is suppliedto the cabin at a pressure of 1.03 bar. The air leaves the cabin at a temperature of 25 °C. Assuming isentropic process, find theCOP and the power required in kW to take the load in the cooling cabin.

Solution - Given data - p1 =0.9 bar p2 =1 bar p2=p3=3.5 barT1 =22°C…

Answered: A simple air refrigeration system is…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

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A simple air refrigeration system is used for an aircraft to take a load of 20 TR. The ambient pressure and temperature are 0.9 bar and 22 ∘C. The pressure of air is increased to 1 bar due to isentropic ramming action. The air is further compressed in a compressor to 3.5 bar and then cooled in a heat exchanger to 72 ∘C. Finally, the air is passed through the cooling turbine and then it is supplied to the cabin at a pressure of 1.03 bar. The air leaves the cabin at a temperature of 25 ∘C. Assuming isentropic process, find the COP and the power required in kW to take the load in the cooling cabin.

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