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航行体出水过程头部流场载荷特性分析

尤天庆 张嘉钟 王聪 曹伟

尤天庆, 张嘉钟, 王聪, 等 . 航行体出水过程头部流场载荷特性分析[J]. 北京航空航天大学学报, 2011, 37(5): 610-614.
引用本文: 尤天庆, 张嘉钟, 王聪, 等 . 航行体出水过程头部流场载荷特性分析[J]. 北京航空航天大学学报, 2011, 37(5): 610-614.
You Tianqing, Zhang Jiazhong, Wang Cong, et al. Characteristic analysis of flow load around head during vehicles exit of water[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(5): 610-614. (in Chinese)
Citation: You Tianqing, Zhang Jiazhong, Wang Cong, et al. Characteristic analysis of flow load around head during vehicles exit of water[J]. Journal of Beijing University of Aeronautics and Astronautics, 2011, 37(5): 610-614. (in Chinese)

航行体出水过程头部流场载荷特性分析

基金项目: 国家自然科学基金资助项目(10802026); 中国博士后科学基金资助项目(20080440884)
详细信息
    作者简介:

    尤天庆(1984-),男,黑龙江五大连池人,博士生,ytianqing@gmail.com.

  • 中图分类号: TJ 760.9

Characteristic analysis of flow load around head during vehicles exit of water

  • 摘要: 航行体高速出水过程中流场变化剧烈且复杂,为研究其水动力载荷变化,采用均质多相流模型及空化模型,开展了出水过程的数值模拟研究.通过数值模拟分析了不同头部形状及出水攻角对航行体出水过程流场的影响.分析结果表明:空化性能较强的头形能产生头部空泡,并在穿越水面时溃灭,引起较为强烈的流场变化并产生较高压强作用于航行体壁面.而空泡溃灭过程也会因头形的不同而略有差别.有攻角出水时空泡溃灭呈现非对称性,因此形成了较大的力矩.而力矩的变化情况也受攻角影响较大.

     

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出版历程
  • 收稿日期:  2010-02-28
  • 网络出版日期:  2011-05-30

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