NASA NTRS · 19890000198
Integrated Heat Switch/Oxide Sorption Compressor
Abstract
Thermally-driven, nonmechanical compressor uses container filled with compressed praseodymium cerium oxide powder (PrCeOx) to provide high-pressure flow of oxygen gas for driving closed-cycle Joule-Thomson-expansion refrigeration unit. Integrated heat switch/oxide sorption compressor has no moving parts except check valves, which control flow of oxygen gas between compressor and closed-cycle Joule-Thomson refrigeration system. Oxygen expelled from sorbent at high pressure by evacuating heat-switch gap and turning on heater.
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Bard, Steven. 1989-04-01. Integrated Heat Switch/Oxide Sorption Compressor. https://ntrs.nasa.gov/citations/19890000198
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