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圆柱体垂直入水空泡形态试验

何春涛 王聪 魏英杰 马相孚

何春涛, 王聪, 魏英杰, 等 . 圆柱体垂直入水空泡形态试验[J]. 北京航空航天大学学报, 2012, (11): 1542-1546.
引用本文: 何春涛, 王聪, 魏英杰, 等 . 圆柱体垂直入水空泡形态试验[J]. 北京航空航天大学学报, 2012, (11): 1542-1546.
He Chuntao, Wang Cong, Wei Yingjie, et al. Vertical water entry cavity of cylinder body[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (11): 1542-1546. (in Chinese)
Citation: He Chuntao, Wang Cong, Wei Yingjie, et al. Vertical water entry cavity of cylinder body[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (11): 1542-1546. (in Chinese)

圆柱体垂直入水空泡形态试验

基金项目: 国家自然科学基金资助项目 (10802026)
详细信息
  • 中图分类号: TV131.2

Vertical water entry cavity of cylinder body

  • 摘要: 在不同攻角和不同速度条件下,对圆柱形运动体垂直入水空泡形态进行试验研究.对140°锥角头型圆柱体在零攻角和带攻角条件下进行垂直入水试验,分析了低速垂直入水所引起的入水空泡生成、发展和闭合流动过程以及空泡稳定性等;利用平头圆柱体进行不同速度条件下垂直入水试验,分析了入水速度对空泡闭合方式和形态的影响.研究结果表明:在试验速度范围内均能形成稳定的入水空泡,并经历生成、充分发展、空泡闭合以及最后完全脱落的过程,不同发展阶段具有不同的稳定性,其闭合方式和形态与入水速度密切相关.

     

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出版历程
  • 收稿日期:  2011-06-09
  • 网络出版日期:  2012-11-30

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