过冷沸腾多相流模拟及发动机冷却结构研究Research on Subcooled Boiling Multiphase Flow Simulation and Engine Cooling Structure
张俊红;徐喆轩;王静超;徐天舒;林泽峰;马梁;
摘要(Abstract)：
介绍了壁面沸腾换热模型、两相间换热系数模型、曳力升力等系数模型在内的多相流模型,建立多个发动机多相流过冷沸腾模型,比较各模型模拟结果差异,得到适用于发动机的多相流过冷沸腾模型,并建立不同结构的发动机冷却通道模型,通过多相流模拟分析发动机冷却通道的流动换热特点。研究结果表明:分离式冷却通道温度分布更均匀,但需增加出入口;连体式冷却通道需要注重上、下冷却通道的串联和出、入口位置的选择。
关键词(KeyWords)： 发动机;过冷沸腾;多相流;相间模型;冷却结构
基金项目(Foundation): 国家重点研发计划项目(2017YFB0103504)
作者(Authors): 张俊红;徐喆轩;王静超;徐天舒;林泽峰;马梁;
DOI: 10.19620/j.cnki.1000-3703.20180455
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