Advances in Cryogenic Engineering: Volume 37 by R.W. Fast
English | 13 Sept. 2013 | ISBN: 1461364868 | 772 Pages | PDF | 29 MB
Currently, screw compressors incorporating oil injection system as are widely used in helium refrigeration systems for superconducting equipment. Their popularity for such applications stems from the fact that they incorporate fewer •oving parts and exhibit more stable operation over long period of time than the reciprocating compressor. Never the less. There remains scope for iaproveaent of oil injection type helium screw compressors in the area of performance and reliability, particularly with superconducting generation systems which demand very high efficiency and reliability.