Thermal storage by heavy water phase change
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United States of America Patent
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Sep 21, 1993
Grant Date -
N/A
app pub date -
Jul 29, 1992
filing date -
Jul 29, 1992
priority date (Note) -
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status (Latency Note)
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Abstract
Water coolant circulating in a closed loop may be cooled by passing it through a heat exchanger coil embedded within a block of heavy water ice. The ice will maintain the water, passing through the coil, at a temperature approximately 39.degree. F. Maintenance of the working fluid at this temperature prevents it from freezing in coolant tubes. The system is particularly adapted for a liquid cooling space garment which must effectively conduct away heat from an astronaut's body when an astronaut exerts himself during physical activity.
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