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二元海水液滴对心碰撞过程数值模拟

尹强 齐晓霓 梁伟

尹强, 齐晓霓, 梁伟. 二元海水液滴对心碰撞过程数值模拟[J]. 应用数学和力学, 2020, 41(3): 268-279. doi: 10.21656/1000-0887.400196
引用本文: 尹强, 齐晓霓, 梁伟. 二元海水液滴对心碰撞过程数值模拟[J]. 应用数学和力学, 2020, 41(3): 268-279. doi: 10.21656/1000-0887.400196
YIN Qiang, QI Xiaoni, LIANG Wei. Numerical Simulation of Head-on Binary Collision Between Seawater Droplets[J]. Applied Mathematics and Mechanics, 2020, 41(3): 268-279. doi: 10.21656/1000-0887.400196
Citation: YIN Qiang, QI Xiaoni, LIANG Wei. Numerical Simulation of Head-on Binary Collision Between Seawater Droplets[J]. Applied Mathematics and Mechanics, 2020, 41(3): 268-279. doi: 10.21656/1000-0887.400196

二元海水液滴对心碰撞过程数值模拟

doi: 10.21656/1000-0887.400196
基金项目: 国家自然科学基金(51879154);山东省自然科学基金(ZR2019MEE007)
详细信息
    作者简介:

    尹强(1994—),男,硕士生(E-mail: yq199411@163.com);齐晓霓(1974—),女,教授,博士,博士生导师(通讯作者. E-mail: xiaoniqi@sdut.edu.cn).

  • 中图分类号: TK284.9

Numerical Simulation of Head-on Binary Collision Between Seawater Droplets

Funds: The National Natural Science Foundation of China(51879154)
  • 摘要: 为研究海水循环冷却系统中液滴碰撞的基本规律及碰撞结果预测模型,采用流体体积函数(volume of fluid, VOF)方法捕捉两相交界面,利用动态网格自适应技术提高求解精度,对二元海水液滴的对心碰撞过程进行直接数值分析与模拟.首先对氮气中正十四烷液滴的碰撞实验进行数值模拟,验证了数值模型的可靠性.开展了常温常压下等尺寸二元海水液滴对心碰撞数值研究,分析了液滴碰撞过程流场结构及流动机理,研究了不同液滴直径和不同海水浓度对碰撞过程的影响规律,得到了聚合和自反分离两种碰撞结果类型以及二者的临界Weber数.总结出不同Ohnesorge数下海水液滴碰撞结果诺模图.
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出版历程
  • 收稿日期:  2019-06-21
  • 修回日期:  2020-01-08
  • 刊出日期:  2020-03-01

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