A 12" x 14" horizontal single-acting reciprocating air compressor is driven by a 50 kW motor that operates at 520 rpm, drawing in air at 14 psia and 88 F, and discharging it at 57.6 psia. The compression and re-expansion process are polytropic with n = 1.33. Mechanical efficiency = 85 %, compression efficiency = 75% Calculate: a). the mass of air (lb/min) discharged b). volumetric efficiency (%) c). the percent clearance (%)
A 12" x 14" horizontal single-acting reciprocating air compressor is driven by a 50 kW motor that operates at 520 rpm, drawing in air at 14 psia and 88 F, and discharging it at 57.6 psia. The compression and re-expansion process are polytropic with n = 1.33. Mechanical efficiency = 85 %, compression efficiency = 75% Calculate: a). the mass of air (lb/min) discharged b). volumetric efficiency (%) c). the percent clearance (%)
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 12" x 14" horizontal single-acting reciprocating air compressor is driven by a 50 kW motor that operates at 520 rpm, drawing in air at 14 psia and 88 F, and discharging it at 57.6 psia. The compression and re-expansion process are polytropic with n = 1.33.
Calculate:
a). the mass of air (lb/min) discharged
b). volumetric efficiency (%)
c). the percent clearance (%)
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