Illustrate what is meant by volumetric efficiency of a compressor ? Illustrate how clearance volume affects it. Discuss the effects of clearance volume on the performance of an air compressor.
Free air is to be compressed from 1 bar to 8 bar. There are two alternatives
(i) Single stage compression
(ii) Two stage compression with perfect inter-cooling. The Law of compression is pv1.3 = constant. Determine percentage saving over first alternate.