Statistics – Applications
Scientific paper
Mar 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982stin...8224469k&link_type=abstract
"Helium 2 cooling systems with long service live for space use: Phase separation hybrid cooling systems Transl. into ENGLISH fro
Statistics
Applications
Cooling Systems, Cryogenic Equipment, Liquid Helium 2, Phase Separation (Materials), Refrigerants, Separators, Spacecraft Components, Astronomical Spectroscopy, Cryogenic Fluids, Hydrogen, Infrared Radiation, Neon, Separated Flow, Spacelab Payloads, Superfluidity, Weightlessness
Scientific paper
Phase separation in zero gravity is discussed and the active phase separator for a liquid helium cooled infrared observatory for Spacelab is described. For long-term (more than one year) applications, a hybrid cooling system is required in which refrigerants boiling at higher temperatures are employed. The suitability of hydrogen and neon are investigated as well as that of a secondary solid refrigerant. Analysis indicates that such a hybrid cooling system, using solid neon, can be realized and has substantial advantages compared with a one-stage He2 cooling system.
Klipping G.
Klipping I.
Schmidtchen U.
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