In a single-acting two-stage reciprocating air compressor, 4.5 kg of air per min are compressed from 1.013 bar and 15°C through a pressure ratio of 9 to 1. Both stages have the same pressure ratio and PV'=constant. Assume that the clearance volume of both stages is 5% of their respective swept volumes and that the compressor runs at 300 rev/min. Evaluate; (i) the indicated power; and (ii) the cylinder swept volumes required.
In a single-acting two-stage reciprocating air compressor, 4.5 kg of air per min are compressed from 1.013 bar and 15°C through a pressure ratio of 9 to 1. Both stages have the same pressure ratio and PV'=constant. Assume that the clearance volume of both stages is 5% of their respective swept volumes and that the compressor runs at 300 rev/min. Evaluate; (i) the indicated power; and (ii) the cylinder swept volumes required.
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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Transcribed Image Text:In a single-acting two-stage reciprocating air compressor, 4.5 kg of air per min are
compressed from 1.013 bar and 15°C through a pressure ratio of 9 to 1. Both stages
have the same pressure ratio and PV=constant. Assume that the clearance volume
of both stages is 5% of their respective swept volumes and that the compressor runs
at 300 rev/min. Evaluate;
(i)
the indicated power; and
(ii)
the cylinder swept volumes required.
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