compressor draws in 500cfm of air whose density is 0.079 lb/ft3 and discharges it with a density of 0.304 lb/ft3. At the suction , p1 = 15 psia; at discharge , p2= 80 psia. The increase in the specific internal energy is 33.8Btu/lb, and the heat form the air by cooling is 13 Btu. Neglecting changes in potential energy and kinetic energy, determine the work done on the air in BTu/min and Hp.
compressor draws in 500cfm of air whose density is 0.079 lb/ft3 and discharges it with a density of 0.304 lb/ft3. At the suction , p1 = 15 psia; at discharge , p2= 80 psia. The increase in the specific internal energy is 33.8Btu/lb, and the heat form the air by cooling is 13 Btu. Neglecting changes in potential energy and kinetic energy, determine the work done on the air in BTu/min and Hp.
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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A compressor draws in 500cfm of air whose density is 0.079 lb/ft3 and discharges it with
a density of 0.304 lb/ft3. At the suction , p1 = 15 psia; at discharge , p2= 80 psia. The
increase in the specific internal energy is 33.8Btu/lb, and the heat form the air by
cooling is 13 Btu. Neglecting changes in potential energy and kinetic energy, determine
the work done on the air in BTu/min and Hp.
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