NASA NTRS · 19820048323
Molecular absorption cryogenic cooler for liquid hydrogen propulsion systems
Abstract
A light weight, long life molecular absorption cryogenic cooler (MACC) system is described which can use low temperature waste heat to provide cooling for liquid hydrogen propellant tanks for interplanetary spacecraft. Detailed tradeoff studies were made to evaluate the refrigeration system component interactions in order to minimize the mass of the spacecraft cooler system. Based on this analysis a refrigerator system mass of 31 kg is required to provide the .48 watts of cooling required by a 2.3 meter diameter liquid hydrogen tank.
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Klein, G. A., Jones, J. A.. 1982-06-01. Molecular absorption cryogenic cooler for liquid hydrogen propulsion systems. https://ntrs.nasa.gov/citations/19820048323
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