自主推进俯仰震荡翼型的数值模拟研究

被引：4
作者：
王亮
王明
吴锤结
机构：
[1] 河海大学水利水电工程学院
来源：
固体力学学报 | 2006年 / S1期
关键词：
自主推进; 固定摆动; Strouhal数; 自适应多重网格法;
D O I：
10.19636/j.cnki.cjsm42-1250/o3.2006.s1.020
中图分类号：
U661.1 [船舶流体力学];
学科分类号：
摘要：
运用自适应多重网格法和内置边条法研究了俯仰震荡翼型的运动.通过研究翼型的原地摆动与自由游动,提出了一种确定自主推进俯仰震荡翼型推力的方法,得到了推力系数、功率系数和推进效率与Strouhal数的关系.与以往研究不同的是,我们还得到了Strouhal数随雷诺数的变化规律.此外,从自由游动翼型诱导出的涡量场中可以清楚的观察到旋涡的合并,这与实验研究非常吻合.
引用
收藏
页码：110 / 114
页数：5
相关论文
共 10 条
  • [1] A ghost-cell immersed bound-ary method for flow in complex geometry. Tseng Y H,Ferziger J H. Journal of Computational Physics . 2003
  • [2] Observations of dolphin swimming speed and Strouhal number. Rohr J J,Hendricks E W,Quigley L,Fish F E,Gil-patrick J W,Scardina-Ludwig J. Space Nav War-fare Syst Ctr Tech Rep 1769 . 1998
  • [3] Flow Around Circular Cylinders,Vol.1:Fundamentals. Zdravkovich M M. . 1997
  • [4] An immersed boundary method withformal second-order accuracy and reduced numerical vis-cosity. Lai M,Peskin C S. Journal of Computational Physics . 2000
  • [5] Modeling a no-slipflow boundary with an external force field. Goldstein D,Handler R,Sirovich L. Journal of Computational Physics . 1993
  • [6] An immersed-boundary finite-volume method for simulations of flow in complex ge-ometries. Kim J,Kim D,Choi H. Journal of Computational Physics . 2001
  • [7] Drag reduction in fish-like lo-comotion. Barrett D S,Triantafyllou M S,Yue D K P,Grosen-baugh M A,Wolfgang M. Journal of Fluid Mechanics . 1999
  • [8] The three-dimension-al hydrodynamics of tadpole swimming. Liu H,Wassenberg R,Kawachi K. Journal of Experimental Biology . 1997
  • [9] Oscillating foils of high propulsive efficiency. Anderson J M,Streitlien K,Barrett D S,Triantafyllou MS. Journal of Fluid Mechanics . 1998
  • [10] Numerical computation of flow around a circular cylinder. Dias A,Majumdar S. Technical Report,PS II Re-port .
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