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Experimental investigation on Mixed Refrigerant Joule Thomson (MR J-T) cryocooler

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Title Experimental investigation on Mixed Refrigerant Joule Thomson (MR J-T) cryocooler
 
Creator WALIMBE, NS
NARAYANKHEDKAR, KG
ATREY, MD
 
Subject cryocooler
joule thomson cycle
gas mixtures
 
Description Mixed Refrigerant Joule Thomson (MR J-T) cryocoolers have obvious advantages, such as low cost, high reliability, higher cooling effect at 80 K, low vibrations and simplicity in design layout. As a result of this, their use for different applications has become a major threat to conventional cryocoolers such as Stirling coolers. The performance of the MR J-T cryocooler, in terms of cooling power at low temperatures, depends significantly on the components of the gas mixture and their concentration. An experimental set up has been developed in our laboratory to analyse various gas mixtures. An efficient Hampson type counter flow heat exchanger has been fabricated and tested in the set up. The present paper gives experimental results for various gas mixtures so as to get maximum cooling effect for a given temperature. The paper also presents the effect of working pressure of the optimized gas mixture on the performance of the cooler.
 
Publisher AMER INST PHYSICS
 
Date 2011-10-23T11:11:49Z
2011-12-15T09:11:07Z
2011-10-23T11:11:49Z
2011-12-15T09:11:07Z
2008
 
Type Proceedings Paper
 
Identifier ADVANCES IN CRYOGENIC ENGINEERING, VOLS 53A AND 53B,985,11-17
978-0-7354-0504-2
0094-243X
http://dspace.library.iitb.ac.in/xmlui/handle/10054/15113
http://hdl.handle.net/100/1867
 
Source Joint Cryogenic Engineering Conference/International Cryogenic Materials Conference,Chattanooga, TN,JUL 16-20, 2007
 
Language English