期刊
INTERNATIONAL JOURNAL OF REFRIGERATION
卷 123, 期 -, 页码 169-179出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ijrefrig.2020.10.006
关键词
Vapor compression cycle; Refrigeration; Two-phase cycle; Microgravity; Zero gravity; Spacecraft
资金
- Air Squared
The lack of measured data and detailed documentation makes it difficult for researchers to identify necessary next steps in studying vapor compression refrigeration in space. This paper provides a review of vapor compression systems flown in microgravity, outlining their history and presenting performance data, as well as highlighting gaps in the literature and suggesting future research directions.
Using a vapor compression cycle for cooling in microgravity environments was already suggested in the 1970s to leverage the high coefficient of performance. Since then, only a few systems have operated in microgravity with scarce documentation of these flights. The lack of measured data and detailed documentation makes identifying the necessary next steps difficult for researchers entering the field of refrigeration in space. This paper provides a review of available literature for vapor compression systems flown in microgravity by outlining the history of vapor compression devices in space and presenting performance data. Moreover, gaps in the literature are highlighted and open questions are posed based on the reviewed material. Next steps of research are suggested to support and ultimately achieve reliable vapor compression refrigeration in space. Calculating equivalent masses for a fair comparison of different microgravity cooling technologies is proposed by capturing both energy consumption and used volume.
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