A Re-Liquefying Hydrogen Refrigerator
For reasons of economy or convenience it is sometimes desirable to store liquid hydrogen without loss. Due to inevitable heat leaks to storage dewars, it is necessary to periodically refrigerate the hydrogen load to prevent the build-up of excessive pressures. The purpose of this paper is to indicate the function of liquid hydrogen refrigerators and to describe a new refrigeration system developed by the NBS-AEC Cryogenic Engineering Laboratory.
KeywordsHeat Exchanger Refrigeration System Liquid Hydrogen Heat Leak Expansion Valve
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