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Passive control of cavitating flow around an axisymmetric projectile by using a trip bar
查看参考文献10篇
文摘
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Quasi-periodical evolutions such as shedding and collapsing of unsteady cloud cavitating flow, induce strong pressure fluctuations, what may deteriorate maneuvering stability and corrode surfaces of underwater vehicles. This paper analyzed effects on cavitation stability of a trip bar arranged on high-speed underwater projectile. Small scale water tank experiment and large eddy simulation using the open source software OpenFOAM were used, and the results agree well with each other. Results also indicate that trip bar can obstruct downstream re-entrant jet and pressure wave propagation caused by collapse, resulting in a relatively stable sheet cavity between trip bar and shoulder of projectiles. |
来源
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Theoretical and Applied Mechanics Letters
,2017,7(4):181-184 【核心库】
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DOI
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10.1016/j.taml.2017.09.003
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关键词
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Unsteady cavitating flow
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Trip bar
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Re-entrant jet
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Passive flow control
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地址
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Institute of Mechanics, Chinese Academy of Sciences, Key Laboratory for Mechanics in Fluid Solid Coupling Systems, Chinese Academy of Sciences, Beijing, 100190
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语种
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英文 |
文献类型
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研究性论文 |
ISSN
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2095-0349 |
学科
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武器工业 |
基金
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国家自然科学基金
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文献收藏号
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CSCD:6150434
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参考文献 共
10
共1页
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