Abstract
Two‐phase flow is an excellent alternative to the conventional single‐phase system in transporting large amount of thermal energy at a uniform temperature regardless of variation in the heat loads. In addition, two‐phase flows exist in a wide range of applications and enabling technologies in space. These include material processing and ceramics at ultra high temperatures, bioreactors and life‐support systems, storage and transport of cryogenics, tank filling and fluid management, and in the design of many cold plate assemblies where heating or cooling takes place at the instrument/utility interface. Reliable design of such systems and many others require a thorough understanding of the mechanics of the two‐phase flow under microgravity conditions. Of most interest are the phase distribution in a conduit (the flow patterns/regimes), the pressure drop, and the heat‐transfer rates at different liquid and gas flow rates. Recent progress in the study of gas‐liquid flows at microgravity conditions will be reviewed and discussed in this paper.
Published Version
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