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液滴撞击空间辐射换热器壁面演化特性

ZHAO Fulong, DONG Xiang,ZHAO Yuan, ZHANG Hangyuan,WEN Jiming,FANG Huawei,TAN Sichao

Journal of Harbin Engineering University（2022）

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Abstract
为了研究辐射换热器中液滴撞击收集器壁面演化特性对辐射换热器性能的影响,本文利用Fluent对液滴撞击壁面的过程进行数值模拟.结果表明:随着液滴直径增大,不发生飞溅的临界雷诺数增大;液滴达到最大铺展系数所需的无量纲时间与速度无关,约为T=7;对于硅油和锡,随着壁面倾角增大,不发生飞溅的临界雷诺数先增后减.相关研究结果可为液滴收集器的优化设计提供依据.
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