Method and apparatus for removing heat generated in a spacecraft
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United States of America Patent
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-
Dec 21, 1993
Grant Date -
N/A
app pub date -
Sep 4, 1992
filing date -
Sep 14, 1991
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Heat is removed from a spacecraft under zero gravity and under various accelerations, by a heat exchange contact between a cooling liquid or coolant and an evaporant or medium to be evaporated. The coolant flowing in at least one liquid cooling circulation circuit and the evaporant which is discharged in its vapor phase, are brought into heat exchange contact with each other in processing chambers forming at least two separate heat exchange stages, wherein different pressure and temperature conditions are set. The cooling liquid or coolant and the medium to be evaporated evaporant flow through these stages in sequence and in such a way that the coolant first flows through the stage with the highest pressure and the highest temperature, and then flows through the stages with successively lower pressure and/or temperature.
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