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圆柱体低速入水空泡试验研究

何春涛 王聪 何乾坤 仇洋

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圆柱体低速入水空泡试验研究

何春涛, 王聪, 何乾坤, 仇洋

Low speed water-entry of cylindrical projectile

He Chun-Tao, Wang Cong, He Qian-Kun, Qiu Yang
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  • 针对入水空泡生成机理和发展过程, 以及影响入水空泡发展的复杂因素等开展入水试验研究. 通过垂直和倾斜两种方式入水试验研究, 分析了入水过程中的一系列流动现象, 以及空泡的生成、 发展和闭合, 同时通过对比试验结果得出了空泡闭合方式与入水速度之间的关系; 在此基础之上开展了多弹体入水试验, 分析了串列和并列入水时空泡的生成和相互之间的影响, 以及对运动体本身稳定性的影响.
    Experimental studies of the water-entry of cylinder bodies are conducted using high-speed camera to capture the splashes over the water surface and the subsurface cavity shapes during water entry and the cavity-running phase. Cavity evolution is discussed on single 140 conical cylinder body such as formation, development, and pinch-off of vertical and oblique entry. The dependence of the pinch-off type on the entry velocity is discussed for various entry speeds. The phenomena of two-body water entry in series and side-by-side are discussed in the end of this paper, and the data show that the spatial distance between the two bodies has a great influence on the development and the stability of the cavity and the dynamics of both bodies themselves.
    • 基金项目: 总装备部资助项目(批准号: 623010203)资助的课题.
    • Funds: Project supported by the PLA General Armament Department (Grant No. 623010203).
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    Birkhoff G, Isaacs R 1951 Navord Rep. Tech. Rep. 1490

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    Birkhoff G, Zarantonello E H 1957 Jet, Wakes, and Cavities (New York: Academic Press Inc.) p6

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    Glibarg D, Anderson R A 1948 J. Appl. Phys. 19 127

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    May A 1970 J. Hydrodynamics 4(4) 140

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    May A, Woodhull J C 1948 J. Appl. Phys. 19 1109

    [12]

    May A 1951 J. Appl. Phys. 22 1219

    [13]

    May A, Woodhull J C 1948 J. Appl. Phys. 19 1109

    [14]

    Glasheen J W, Macmahon T A 1996 Nature 380 340

    [15]

    Glasheen J W, Macmahon T A 1996 Phys. Fluids 8 2078

    [16]

    Glasheen J W, Peters Ivo R, Manuel Gordillo J, Devaraj van der Meer, Detlef Lohse 2010 Phys. Fluids 2 1

    [17]

    Aristoff J M, Bush J W M 2009 J. Fluid Mech. 619 45

    [18]

    Cyril Duez, Christophe Ybert, Christophe Clanet, Lyderic Bocquet 2007 Nature Physics 3 180

    [19]

    Waugh G 1975 Naval Undersea Center, California: AD-A007 529

    [20]

    Logvinovich G V (Translated by D. Lederman) 1972 Hydrodynamics of Free-boundary Flows (Jersualem: IPST Press) pp104-118

  • [1]

    May A 1975 AD-A020 429

    [2]

    Worthington A M, Cole R S 1897 Phil. Trans. Roy. Soc. 189 A 137

    [3]

    Worthington A M, Cole R S 1900 Phil. Trans. Roy. Soc. 194 A 175

    [4]

    Worthington A M, Cole R S 1908 A study of splashes (London, New York, Bombay, Calcutta: Longmans, Green, and Co.) p78

    [5]

    Waugh J G 1968 J. Hydrodynamics 2 87

    [6]

    Birkhoff G, Caywood T E 1949 Appl. Phys. 20 646

    [7]

    Birkhoff G, Isaacs R 1951 Navord Rep. Tech. Rep. 1490

    [8]

    Birkhoff G, Zarantonello E H 1957 Jet, Wakes, and Cavities (New York: Academic Press Inc.) p6

    [9]

    Glibarg D, Anderson R A 1948 J. Appl. Phys. 19 127

    [10]

    May A 1970 J. Hydrodynamics 4(4) 140

    [11]

    May A, Woodhull J C 1948 J. Appl. Phys. 19 1109

    [12]

    May A 1951 J. Appl. Phys. 22 1219

    [13]

    May A, Woodhull J C 1948 J. Appl. Phys. 19 1109

    [14]

    Glasheen J W, Macmahon T A 1996 Nature 380 340

    [15]

    Glasheen J W, Macmahon T A 1996 Phys. Fluids 8 2078

    [16]

    Glasheen J W, Peters Ivo R, Manuel Gordillo J, Devaraj van der Meer, Detlef Lohse 2010 Phys. Fluids 2 1

    [17]

    Aristoff J M, Bush J W M 2009 J. Fluid Mech. 619 45

    [18]

    Cyril Duez, Christophe Ybert, Christophe Clanet, Lyderic Bocquet 2007 Nature Physics 3 180

    [19]

    Waugh G 1975 Naval Undersea Center, California: AD-A007 529

    [20]

    Logvinovich G V (Translated by D. Lederman) 1972 Hydrodynamics of Free-boundary Flows (Jersualem: IPST Press) pp104-118

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  • 文章访问数:  6354
  • PDF下载量:  695
  • 被引次数: 0
出版历程
  • 收稿日期:  2011-10-20
  • 修回日期:  2011-11-23
  • 刊出日期:  2012-07-05

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