1. Experimental Investigation of 4.2 K High Efficiency G-M Refrigerators.
- Author
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Hao, X. H. and Yao, S. H.
- Subjects
- *
COOLING , *REGENERATORS , *REFRIGERATION & refrigerating machinery , *HEAT transfer , *CRYOGENICS , *LOW temperature engineering , *MATHEMATICAL optimization - Abstract
A 1.1W/4.2K Gifford-McMahon (G-M) refrigerator has recently been developed by Advanced Research Systems, Inc. The typical cooling capacity of 40 W at 40K for the first stage and 1.1 W at 4.2 K for the second stage has been achieved. The cooling performance of this 4.2K G-M refrigerator was significantly improved by optimizing packing materials both inside 1st and 2nd stage regenerators, as well as operation conditions. The experimental results and improvements are presented and their optimal cases are also given in this paper. [ABSTRACT FROM AUTHOR]
- Published
- 2014
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