| FUNDAMENTAL AREAS OF PHENOMENOLOGY(INCLUDING APPLICATIONS) |
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Shedding Phenomenon of Ventilated Partial Cavitation around an Underwater Projectile |
| WANG Yi-Wei 1, HUANG Chen-Guang1, DU Te-Zhuan1, WU Xian-Qian1, FANG Xin2, LIANG Nai-Gang2, WEI Yan-Peng1** |
1Key Laboratory of Hydrodynamics and Ocean Engineering, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190
2The State Key Laboratory of Nonlinear Mechanics, Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190
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| Cite this article: |
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WANG Yi-Wei, HUANG Chen-Guang, DU Te-Zhuan et al 2012 Chin. Phys. Lett. 29 014601 |
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Abstract A new shedding phenomenon of ventilated partial cavitations is observed around an axisymmetric projectile in a horizontal launching experiment. The experiment system is established based on SHPB launching and high speed photography. A numerical simulation is carried out based on the homogeneous mixture approach, and its predicted evolutions of cavities are compared with the experimental results. The cavity breaks off by the interaction between the gas injection and the re-entry jet at the middle location of the projectile, which is obviously different from natural cavitation. The mechanism of cavity breaking and shedding is investigated, and the influences of important factors are also discussed.
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| Keywords:
46.40.Cd
47.55.Dp
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Received: 02 August 2011
Published: 07 February 2012
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| PACS: |
46.40.Cd
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(Mechanical wave propagation (including diffraction, scattering, and dispersion))
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47.55.dp
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(Cavitation and boiling)
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