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Basic Laws in Mechanics of Turbulent Flows 被引量：1

Basic Laws in Mechanics of Turbulent Flows
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摘要 Turbulent flow is a basic form of fluid motion widely observed in nature. In hydraulic engineering, especially in the study of sediment movement, turbulence is a key problem. In this paper, based on the stochastic theory of wall turbulence developed by the author and the results by other investigators, fluc-tuation and mean structures and drag coefficient for Newtonian and drag reduction flows in all states (laminar, transitional, turbulent) and in all regions (smooth, transitional, rough) are theoretically discussed in detail. General laws for laminar and turbulent flows obtained by the author are verified by the experimental results obtained by others, and there is good agreement between them. - Turbulent flow is a basic form of fluid motion widely observed in nature. In hydraulic engineering, especially in the study of sediment movement, turbulence is a key problem. In this paper, based on the stochastic theory of wall turbulence developed by the author and the results by other investigators, fluc-tuation and mean structures and drag coefficient for Newtonian and drag reduction flows in all states (laminar, transitional, turbulent) and in all regions (smooth, transitional, rough) are theoretically discussed in detail. General laws for laminar and turbulent flows obtained by the author are verified by the experimental results obtained by others, and there is good agreement between them.
作者 Dou Guoren Academician of Chinese Academy of Sciences, Honorary Director of Nanjing Hydraulic Research Institute, Nanjing 210024
出处 《China Ocean Engineering》 SCIE EI 1996年第1期1-44,共44页 中国海洋工程（英文版）
关键词 turbulent flow laminar to turbulent flow stochastic model velocity distribution drag coefficient turbulent flow, laminar to turbulent flow, stochastic model, velocity distribution, drag coefficient
分类号 O357.5 [理学—流体力学]
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参考文献33

  • 1窦国仁.近壁紊流随机理论及其应用[J]水利水运科学研究,1985(03).
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  • 3窦国仁.FRICTION LAW OF VISCOELASTIC FLOW[J]Science in China,Ser.A,1983(11).
  • 4窦国仁.GENERAL LAW OF LAMINAR AND TURBULENT FLOWS IN PIPES AND OPEN CHANNELS[J]Science in China,Ser.A,1982(10).
  • 5窦国仁.TURBULENT FLOW OF POLYMER SOLUTION AND ITS FRICTION REDUCTION LAW[J]Science in China,Ser.A,1982(07).
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  • 7Dou Guoren.Generalized Laws of Turbulent Flow in Open Channels and Pipes for Various Regions. Journul of Nanjing Hydraulic Research Institute . 1980
  • 8Dou Guoren.Stochastic Theory of Turbulent Flow and Generalized Laws for Various Regions. Proc. of Int.Symposirm of River Sedimentation . 1980
  • 9Dou Guoren.The Structure of Turbulent Drag-Reducing Flow in Dilute Polymer Solutions. Journal of Nanjing Hydraulic Research Institute . 1981
  • 10Dou Guoren.Mechanics of Turbulent Flows. . 1982

共引文献1

同被引文献12

  • 1LI Wei, XU Xiao-ping. Hydraulics[M]. Wuhan, China: Press of Wuhan University of Hydraulic and Electric Engineering, 2000(in Chinese).
  • 2NIKURADSE J. Laws of flow in rough pipes[M]. Washington, USA: National Advisory Committee for Aeronautics, 1950.
  • 3ZENG Y., HUAI W. Application of artificial neural network to predict the friction factor of open channel flow[J]. Communications in Nonlinear Science and Numerical Simulation, 2009, 14(5): 2373-2378.
  • 4TUNG Y. H., JOHNSON R. W. and SATO H. Effects of graphite surface roughness on bypass flow computations for an HTGR[J]. Nuclear Engineering and Design,2012,252: 78-87.
  • 5HUTHOFF F., AUGUSTIJN D. and HULSCHER S. 1. M. H. Analytical solution of the depth-averaged flow velocity in case of submerged rigid cylindrical vegetation[J]. Water Resources Research, 2007, 43(6): 129- 148.
  • 6GIOIA G., BOMBARDELLI F. A. Scaling and similarity in rough channel flows[J]. Physical Review Letters, 2001,88(1): 014501.
  • 7GOLDENFELD N. Roughness-induced critical phenomena in a turbulent flow[J]. Physical Review Letters, 2006,96(4): 044503.
  • 8TAO J. Critical instability and friction scaling of fluid flows through pipes with rough inner surfaces[J]. Physical Review Letters, 2009,103(26): 264502.
  • 9GUO J. Logarithmic matching and its applications in computational hydraulics and sediment transport[J]. Journal of Hydraulic Research, 2002, 40(5): 555-565.
  • 10GRIFFITHS D. V., SMITH I M. Numerical methods for engineers[M]. Boca Raton, USA: CRC Press, 2006.

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China Ocean Engineering
1996年 第1期

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