Vapor Compression Hybrid Two-Phase Loop Technology for Lunar Surface Applications

Details Vapor Compression Hybrid Two-Phase Loop Technology for Lunar Surface Applications Vapor Compression Hybrid Two-Phase Loop Technology for Lunar Surface Applications

Jan 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aipc..969...37p&link_type=abstract

SPACE TECHNOLOGY AND APPLICATIONS INTERNATIONAL FORUM-STAIF 2008: 12th Conference on Thermophysics Applications in Microgravity;

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Applications

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Lunar, Planetary, And Deep-Space Probes, Heat Engines, Heat Pumps, Heat Pipes, Multiphase Flows, Heat Flow In Multiphase Systems

Scientific paper

NASA's vision for Space Exploration that would return humans to the Moon by 2020 in preparation for human explorations of Mars. This requires innovative technical advances. The lunar mission requires a temperature-lift (heat pump) technology to reject waste heat to hot lunar surface (heat sink) environments during lunar daytime. The lunar outpost and Lunar Surface Access Module (LSAM) to operate anywhere during the hot lunar daytime require a high performance and energy-efficient, yet reliable refrigeration technology. A vapor compressor-driven hybrid two-phase loop was developed for such high temperature-lift applications. The vapor compression loop used an advanced porous wick evaporator capable of gravity-insensitive capillary phase separation and excess liquid management to achieve high temperature-lift, large-area, isothermal and high heat flux cooling capability and efficient compression. The high temperature lift will allow the lunar surface systems use compact radiators by increased heat rejection temperature.

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