Air enters a compressor operating at steady state with a pressure of 14.7 Ibfin. and a temperature of 70°F. The volumetric flow rate at the inlet is 16.6 ft’/s, and the flow area is 0.26 ft°. At the exit, the pressure is 35 Ibfin.², the temperature is 280°F, and the velocity is 50 ft/s. Hcat transfer from the compressor to its surroundings is 1.0 Btu per Ib of air flowing. Potential energy effects are negligible, and the ideal gas model can be assumed for the air. Determine the compressor power, in Btu/s and hp. Ans. W =-63.9 Btw/s and -90.38 hp %3D

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Air enters a compressor operating at steady state with a pressure of 14.7 Ibf/in.? and a
temperature of 70°F. The volumetric flow rate at the inlet is 16.6 ft'/s, and the flow area is
0.26 ft'. At the exit, the pressure is 35 Ibf'in.?, the temperature is 280°F, and the velocity is
50 fu's. Heat transfer from the compressor to its surroundings is 1.0 Btu per Ib of air flowing.
Potential energy effects are negligible, and the ideal gas model can be assumed for the air.
Determine the compressor power, in Btu/s and hp. Ans. W = -63.9 Btu/s and -90.38 hp
Transcribed Image Text:Air enters a compressor operating at steady state with a pressure of 14.7 Ibf/in.? and a temperature of 70°F. The volumetric flow rate at the inlet is 16.6 ft'/s, and the flow area is 0.26 ft'. At the exit, the pressure is 35 Ibf'in.?, the temperature is 280°F, and the velocity is 50 fu's. Heat transfer from the compressor to its surroundings is 1.0 Btu per Ib of air flowing. Potential energy effects are negligible, and the ideal gas model can be assumed for the air. Determine the compressor power, in Btu/s and hp. Ans. W = -63.9 Btu/s and -90.38 hp
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