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A 150-kW work is required by a two-stage air compressor without clearance that delivers air at 140 psia. At the intake, p1 = 14.5 psia and t1 =60 F. Compression follows PV1.31 = C and the intercooler cools the air back to 60 F. If there is no pressure drop in the intercooler, determine; (a) The volume of air compressed in ft3/min. (b) The power savings for the two-stage compressor in Btu/min.

A 150-kW work is required by a two-stage air compressor without clearance that delivers air at 140 psia. At the intake, p1 = 14.5 psia and t1 =60 F. Compression follows PV1.31 = C and the intercooler cools the air back to 60 F. If there is no pressure drop in the intercooler, determine; (a) The volume of air compressed in ft3/min. (b) The power savings for the two-stage compressor in Btu/min.

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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A 150-kW work is required by a two-stage air compressor without clearance that delivers air at 140 psia. At the intake, p1 = 14.5 psia and t1 =60 F. Compression follows PV1.31 = C and the intercooler cools the air back to 60 F. If there is no pressure drop in the intercooler, determine;

(a) The volume of air compressed in ft3/min.

(b) The power savings for the two-stage compressor in Btu/min.

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