The heat transfer of a water spray impinging upon a surface in a very low pressure environment is of interest to cooling of space vehicles during launch and re-entry, and to industrial processes where flash evaporation occurs. At very low pressure, the process occurs near the triple point of water, and there exists a transient multiphase transport problem of ice, water and water vapor. At the impingement location, there are three heat transfer mechanisms: evaporation, freezing and sublimation. A preliminary heat transfer model was developed to explore the interaction of these mechanisms at the surface and within the spray.
Exploration of Impinging Water Spray Heat Transfer at System Pressures Near the Triple Point
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Golliher, EL, & Yao, S. "Exploration of Impinging Water Spray Heat Transfer at System Pressures Near the Triple Point." Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition. Volume 8B: Heat Transfer and Thermal Engineering. San Diego, California, USA. November 15–21, 2013. V08BT09A077. ASME. https://doi.org/10.1115/IMECE2013-66872
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