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振荡流底层悬沙运动的数值研究 被引量：1

Numerical simulation of sediment in oscillatory flow over plane bed
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摘要 建立了平底振荡流底层立面二维水沙数值模型,利用Smagrionsky(SGS)格子涡模型封闭二维Navier Storkes方程水流运动方程组,控制方程采用SMAC法求解。该模型能较精确地模拟振荡流底层水流流动特性,以及含沙量沿垂线分布和随相位变化的情况,且与水槽实验的实测资料基本吻合。 A 2-D numerical model is developed to simulate flow and suspended sediment concentration in oscillating turbulent boundary layer over plane bed, which is based on the N-S equations with the Smagrionsky's subgrid-scale turbulence model. The calculation results agree well with the flow characteristic and sediment concentration measured in experiment practically.
作者 蒋昌波 白玉川 赵子丹 张红武
机构地区 长沙交通学院 天津大学建筑工程学院 清华大学水利系
出处 《水科学进展》 EI CAS CSCD 北大核心 2003年第2期136-142,共7页 Advances in Water Science
基金 国家自然科学基金资助项目(59809006 10202003)~~
关键词 振荡流 大涡模拟法 悬移质泥沙 数值模型 Boundary layers Navier Stokes equations Oscillations Turbulence
分类号 TV142.3 [水利工程—水力学及河流动力学] TV143.1 [水利工程—水力学及河流动力学]
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参考文献17

  • 1[1]S1eath J F A.Turbulent oscillatory flow over rough beds[J]. J Fluid Mech, 1987, 182:369- 409.
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同被引文献14

  • 1周力行.湍流两相流动与燃烧的数值模拟[M].北京:科学出版社,1994.
  • 2JENSEN B L,SUMER B M,FREDSOE J.Turbulent oscillatory boundary layers at high Reynolds numbers[J].J.Fluid Mech.,1989,206:265-297.
  • 3JOHNS B.The form of the velocity profile in a turbulent shear wave boundary[J].J.Geophys.Res.,1975,80:5109-5112.
  • 4MYRHAUG D.On a theoretical model of rough turbulent wave boundary layers[J].Ocean Eng.,1982,9(6):547-565.
  • 5HAGATUN K,EIDSVIK K J.Oscillating turbulent boundary layers with suspended sediment[J].J.Geophys.Res.,1986,91(C11):13045-13055.
  • 6JUSTESEN P.A note on turbulence calculations in the wave boundary layer[J].J.Hydr.Res.,1991,29(5):699-711.
  • 7AHMAD Sana,HITOSHI Tanaka,HIROTO Yamaji,IKUO Kawamura.Hydrodynamic behavior of asymmetric oscillatory boundary layers at low Reynolds numbers[J].J.Hydr.Eng.,2006,132(10):1086-1096.
  • 8RIBBERINK J,AL-SALEM A.Time dependent sediment transport phenomena in oscillatory boundary layer flow under sheet flow conditions[R].Technical Report H840,1992,20,Part IV,Delft Hydraulics.
  • 9SAVIOLI J,JUSTESEN P.Sediment in oscillatory flows over a plane bed[J].J.Hydr.Res.,1997,35(2):177-189.
  • 10EMILY A,ROBERT L.Sediment transport over ripples in oscillatory flow[J].J.Hydr.Eng.,2006,132 (2):180-193.

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水科学进展
2003年 第2期

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