液膜形成を伴わないミスト冷却の高温域熱伝達特性(流体工学,流体機械)

概要

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The present report investigates the heat transfer in the high temperature region of impinging dilute mist flow, where no liquid films are formed by coalescence of droplets on the surface. First, the upper limit of the dilute mist flow is analyzed. In addition, heat transfer characteristics in the high temperature region are investigated experimentally, focusing on effects of sensible heat of droplets. In these experiments, the subcooling of droplets was varied from 58K to 79K. The experimental results were compared with a heat transfer model that took into account the liquid sensible heat. The heat transfer model based on liquid sensible heat could predict the distribution of heat transfer characteristics in the high temperature region of mist cooling when a liquid film is not formed.
社団法人日本機械学会の論文
2004-02-25