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水下弹体空化流动的数值模拟

曹达敏 徐 旭

曹达敏, 徐 旭. 水下弹体空化流动的数值模拟[J]. 北京航空航天大学学报, 2008, 34(10): 1191-1194.
引用本文: 曹达敏, 徐 旭. 水下弹体空化流动的数值模拟[J]. 北京航空航天大学学报, 2008, 34(10): 1191-1194.
Cao Damin, Xu Xu. Numerical simulation of cavitation flow field for under water projectile[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(10): 1191-1194. (in Chinese)
Citation: Cao Damin, Xu Xu. Numerical simulation of cavitation flow field for under water projectile[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(10): 1191-1194. (in Chinese)

水下弹体空化流动的数值模拟

详细信息
    作者简介:

    曹达敏(1983-),男,江西九江人,硕士生,xuxu@buaa.edu.com.

  • 中图分类号: V 411.3

Numerical simulation of cavitation flow field for under water projectile

  • 摘要: 采用均质流模型对水下弹体的空化流动进行了数值模拟,控制方程的求解采用有限体积法,对流项采用迎风通量差分格式,时间步的推进则采用了LU-SGS隐式方法.使用质量传输模型模拟汽-液之间的质量转换.为了更好的计算低速流动,在计算中对对流项进行了预处理,并对质量传输源项进行了点隐式处理.对绕圆柱钝头体空化流动进行了模拟,雷诺数Re=136 000,计算得到了圆柱形钝头体在空化数σ=0.1,0.2,0.3时的壁面压力系数,并与试验结果进行了对比,符合良好.在此基础上研究了弹体带尾迹的超空化现象,空化数σ=0.2,0.1,0.06,在σ=0.06下得到了水下弹体的超空化尾迹.

     

  • [1] Chen Y, Heister S D. A numerical treatment for attached cavitation flows[J]. Journal of Fluids Engineering, 1994,116: 613-618 [2] Deshpande M, Feng J, Merkle C L. Numerical modeling of the thermodynamic effects of cavitation[J]. Journal of Fluids Engineering, 1997, 119: 420-427 [3] Delannoy Y, Kueny J L. Cavity flow predictions based on the Euler equations[J]. ASME Cavitation and Multi-Ohase Flow Forum,1990,109:153-158 [4] Chen Y, Heister S D. Modeling hydrodynamic nonequilibrium in cavitating flows[J]. Journal of Fluids Engineering, 1996,118:172-178 [5] Kubota A, Kato H, Yamaguchi H. A new modeling of cavitating flows: a numerical study of unsteady cavitation on a hydrofoil section[J]. J Fluidsmech,1992,240:59-96 [6] Merkle C L, Feng J, Buelow P E O. Computational modeling of the dynamics of sheet cavitation // 3rd International Symposium on Cavitations. Grenoble, France: ,1998 [7] Kunz F R, Boger A D, Stinebring R D, et al. A preconditioned Navier-Stokes method for two-phase flows with application to cavitation prediction . AIAA-99-3329,1999 [8] Buelow P E O, Venkateswaran S, Merkle C L. Grid aspect ratio effects on the convergence of upwind schemes . AIAA-95-0565,1995 [9] Rouse H, McNown J S. Cavitation and pressure distribution, head forms at zero angle of yaw . City of Ames:Engineering, Bulletin 32, State University of Iowa, 1948
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出版历程
  • 收稿日期:  2007-09-11
  • 网络出版日期:  2008-10-31

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