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三维水翼梢涡流场数值研究

蒲汲君 熊鹰

蒲汲君, 熊鹰. 三维水翼梢涡流场数值研究[J]. 中国舰船研究, 2017, 12(1): 8-13, 26. doi: 10.3969/j.issn.1673-3185.2017.01.002
引用本文: 蒲汲君, 熊鹰. 三维水翼梢涡流场数值研究[J]. 中国舰船研究, 2017, 12(1): 8-13, 26. doi: 10.3969/j.issn.1673-3185.2017.01.002
Jijun PU, Ying XIONG. Numerical study of hydrofoil tip vortex fluid field[J]. Chinese Journal of Ship Research, 2017, 12(1): 8-13, 26. doi: 10.3969/j.issn.1673-3185.2017.01.002
Citation: Jijun PU, Ying XIONG. Numerical study of hydrofoil tip vortex fluid field[J]. Chinese Journal of Ship Research, 2017, 12(1): 8-13, 26. doi: 10.3969/j.issn.1673-3185.2017.01.002

三维水翼梢涡流场数值研究

doi: 10.3969/j.issn.1673-3185.2017.01.002
基金项目: 

国家自然科学基金资助项目 51179198

详细信息
    作者简介:

    蒲汲君, 男, 1991年生, 硕士生。研究方向:流体力学。E-mail:211982361@qq.com

    通信作者:

    熊鹰(通信作者), 男, 1958年生, 博士, 教授, 博士生导师。研究方向:船舶流体力学。E-mail:ying_xiong28@126.com

  • 中图分类号: U661.313

Numerical study of hydrofoil tip vortex fluid field

知识共享许可协议
三维水翼梢涡流场数值研究蒲汲君,等创作,采用知识共享署名4.0国际许可协议进行许可。
  • 摘要: 针对三维水翼梢涡流场和梢涡空泡初生的问题,分别建立k-ω,DES和LES模型,对水翼的梢涡流场进行计算研究。为减少误差,在网格的处理上对梢涡流域进行局部加密,对未发生空化时梢涡内的轴向速度和切向速度进行计算,发现LES模型的计算结果与实验值吻合较好。在此基础上,讨论尾涡的卷曲对梢涡压力场的影响,提出了使用气泡静力平衡方程计算初始梢涡空泡数的方法。
  • 图  1  计算域

    Figure  1.  Computational domain

    图  2  梢涡轴向速度分布图

    Figure  2.  Profiles of axial velocity in tip vortex

    图  3  梢涡切向速度分布图

    Figure  3.  Profiles of tangential velocity in tip vortex

    图  4  梢涡轨迹方向最小压力系数分布

    Figure  4.  Pressure coefficients along the tip vortex trajectory

    图  5  气泡静力平衡曲线[12]

    Figure  5.  Static equilibrium curves of bubbles[12]

    表  1  三维水翼初始梢涡空泡计算结果

    Table  1.   The computational results of hydrofoil vortex cavitation inception

    R0/μm
    3050100
    Rc/μm61.9122316
    Pc/Pa-1.5×105-7.5×1042.7×104
    P0/Pa2.16×1052.93×1053.42×105
    δi4.275.816.77
    下载: 导出CSV
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    [2] KELLER A P. Cavitation scale effects-empirically found relations and the correlation of cavitation number and hydrodynamic coefficients[C]//CAV 2001:Fourth International Symposium on Cavitation. Pasadena, CA, USA:California Institute of Technology, 2001.
    [3] FRUMAN D H, DUGUÉ C, PAUCHET A, et al. Tip vortex roll-up and cavitation[C]//Proceedings of the 19th Symposium on Naval Hydrodynamics. Washing-ton D C, USA:National Academy, 1992:633-654.
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    [5] 吴琼, 叶骞, 孟国香.不同湍流模型在旋流非接触搬运器仿真中的应用和对比[J].上海交通大学学报, 2013, 47(3):423-427. http://www.cnki.com.cn/Article/CJFDTOTAL-SHJT201303017.htm

    WU Q, YE Q, MENG G X. Application and compari-son of the different turbulent models simulation for non-contact vortex gripper[J]. Journal of Shanghai Ji-aotong University, 2013, 47(3):423-427(in Chi-nese). http://www.cnki.com.cn/Article/CJFDTOTAL-SHJT201303017.htm
    [6] TURNOCK S R, PASHIAS C, ROGERS E. Flow fea-ture identification for capture of propeller tip vortex evolution[C]//Proceedings of the 26th Symposium on Naval Hydrodynamics. Rome, Italy:Italian Ship Mod-el Basin, Office of Naval Research, 2006.
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    GAN W B, ZHOU Z, XU X P, et al. Investigation on improving the capability of predicting separation in modified SST turbulence model[J]. Journal of Propul-sion Technology, 2013, 34(5):595-602(in Chi-nese). http://www.cnki.com.cn/Article/CJFDTOTAL-TJJS201305003.htm
    [10] MORGUT M, NOBILE E, BILUŠ I. Comparison of mass transfer models for the numerical prediction of sheet cavitation around a hydrofoil[J]. International Journal of Multiphase Flow, 2011, 37(6):620-626. doi: 10.1016/j.ijmultiphaseflow.2011.03.005
    [11] SPALART P R, SHUR M. On the sensitization of tur-bulence models to rotation and curvature[J]. Aero-space Science and Technology, 1997, 5(1):297-302. https://www.researchgate.net/publication/222132491_On_the_Sensitization_of_Turbulence_Models_to_Rotation_and_Curvature
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出版历程
  • 收稿日期:  2016-06-03
  • 网络出版日期:  2016-12-28
  • 刊出日期:  2017-01-07

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