粘性流体

  • 网络Viscous fluid;viscous liquid
粘性流体粘性流体
  1. 最后,对3D非等温粘性流体、3D等温粘弹性流体的薄膜流涎过程进行了模拟研究。

    Finally , computer simulation was carried out on the 3D non-isothermal viscous fluid and 3D isothermal viscoelastic fluid flow in a cast film process .

  2. Stokes流是粘性流体问题的主要的和经典的流动模型。

    Stokes flow is the main and typical flow model of viscous fluid .

  3. 关于轴对称情形下粘性流体Stokes方程的有限元分析

    The finite element analysis for axisymmetric Stokes equations of incompressible fluid

  4. 用于模拟粘性流体流动的格子Boltzmann方法

    Lattice Boltzmann Methods for the Simulation of Viscous Fluid Flow

  5. 粘性流体大幅晃动的ALE迎风有限元方法

    ALE Upwind Finite Element Methods for Viscous Flow with Large-Amplitude Sloshing

  6. 定常Stokes问题反映在小雷诺数情况下,不可压缩粘性流体的稳定(即定常)流动。

    Steady flow of incompressible viscous fluid is expressed by stationary Stokes equation at small Reynolds number .

  7. 一类不可压粘性流体N-S方程自由边界问题强解存在性研究

    Research on the Existence of Strong Solution for a Class of Incompressible , Viscous Fluid N-S Equation with Free Boundary

  8. 不可压缩粘性流体动力学方程组的Navier-Stokes方程在粘性很大,即雷诺数很小的情况下,可线性化为Stokes方程。

    Stokes equation is the linearization of Navier-Stokes equation , which is the governing equation of incompressible viscous flow , with small Reynolds number .

  9. 本文提出了基于微分-积分方程组求解N-S方程的有限差分法求解不可压缩实际粘性流体绕孤立翼型流动。

    A finite difference method based on differential-integral equation is presented for the solution of Navier-Stokes equations for incompressible viscous flow .

  10. 半空间假定为无粘性流体饱和介质,满足Biot理论。

    The half - space is modeled by Biot 's theory , and is assumed to be saturated with inviscid fluid .

  11. 风绕建筑物流动可看作钝体绕流,它的控制方程可采用不可压缩粘性流体运动的Navier-Stokes方程和连续性方程。

    The flow behavior around the blunt building can be described by Navier-Stokes equation , as well as the continuity equation of viscous incompressible fluids .

  12. 数值方法采用三维守恒型、可压缩、非定常粘性流体雷诺平均N-S方程为控制方程,离散格式采用二阶迎风格式。

    The time-dependent compressible Reynolds average Navier-Stokes equations were used as governing equations . Second-order upwind scheme was adopted for the convective fluxes discretization .

  13. Navier-Stokes方程反映了水、油、气等粘性流体流动的基本力学规律,在流体力学中有十分重要的意义。

    The Navier-Stokes equations describes the motion law of viscous fluid such as water , oil , and air , which has important significance in Fluid Dynamics .

  14. 证明了相关文献中从粘性流体力学的Navier-Stokes方程来解决临界点问题的理论基础是不对的;

    Also , it is proved that the theoretical foundation , the Navier-Stokes equation for viscous fluid flow , for the solution to this CPP in literatures is incorrect .

  15. 讨论不可压缩非牛顿粘性流体二维定常流动的最优边界控制问题,证明了最优边界控制的存在性,而且最优对可用Galerkin方法所得的近似最优对序列逼近。

    The optimal boundary contral of two-dimentional stationary flow of incompressible non-Newtonian fluids is discussed . Existence theorem of the optimal boundary control and effectiveness of Galerkin method are proved .

  16. 采用求解Navier-Stokes方程的方法,研究了有限深两层粘性流体中定常运动球体激发波动的问题。

    The waves generated by a moving body beneath the free surface with constant speed in a viscous two-layer fluid of finite depth were studied by solving the Navier-Stokes equation .

  17. 对于粘性流体大晃动问题,构造了一种高效率的ALE分步有限元求解格式即直接法。

    For the large-sloshing problem of viscous fluid , a finite element method called direction method is developed by ALE ( Arbitraty Lagrangian Eulerian ) description and fractional method .

  18. 结果表明高粘性流体自然对流和自然对流起主导作用的混合对流可根据Ra分为三个区域:蠕动区、过渡区和边界层区。

    It is found that both natural convection and buoyancy dominated mixed convection in high viscosity fluid can be divided into three flow regimes according to Ra : creeping regime , transition regime and boundary layer regime .

  19. 本文以不可压缩粘性流体的Navier-Stokes方程和k-两方程紊流模型为基础,采用有限元方法求解了高速列车三维紊态外流场。

    Based on Navier-Stokes equation and k - 2-equations turbulent model for incompressible viscous fluid , the 3D turbulent outside flow field around high-speed trains has been calculated by means of the finite element method .

  20. 本文通过引入Laplace变换,应用变积运算方法,建立了不可压缩粘性流体力学的变分原理及其广义变分原理。

    In this paper , the Laplace transformation is introduced . By use of Variational Integral method , the variational principles and generalized variational principles of hydrodynamic problems for the incompressible viscous fluids are established in the convolution form .

  21. 本文研究低雷诺数情况下偏心圆柱间定常Streaming流动问题,其中内柱以速度U(x)cosωt在静止不可压粘性流体中作小振幅直线简谐振动,外柱则固定不动。

    This paper studies the steady streaming flow of low Reynolds number between two eccentric circular cylinders . The inner cylinder vibrates with small linear velocity Um ( x ) cos ω t in incompressible viscous fluid , while the outer cylinder is fixed .

  22. 本文以三维不可压缩粘性流体的Navier-Stokes方程为数学模型对圆柱绕流问题作直接数值模拟,研究圆柱尾迹三维转捩区间转捩特征和动力学过程。

    The flow past a uniform circular cylinder is studied in detail by direct numerical simulations of three-dimensional incompressible Navier-Stokes equations . The features and dynamics for various Reynolds numbers in the three-dimensional transition regime of the cylinder wake are investigated .

  23. 文中利用空间分解定理、高斯公式及Sobolev空间方法证明了不可压缩粘性流体定常旋转流在Sobolev空间[H1(Ω)]3中存在一个与流体粘度无关的上界。

    But in this paper , it is proven that the upper bound has nothing to do with the viscosity of the fluid by using decomposing theorems of spaces , Gauss 's formula and Sobolev Space methods .

  24. 其中,从柱坐标系下的Navier-Stokes方程和连续性方程出发,建立导叶式旋风管分离柱内旋风流场涡旋流动的精确解,采用无粘性流体假设,对于流场内部进行较为全面的求解。

    Starting from Navier-Stokes equations and continuity equation in cylindrical coordinates , the exact solution of flow in the separation space of swirl tube is presented assumed on the condition of inviscid . And the CFD methods is used to investigate the gas flow characteristics .

  25. 在理论研究中把环缝磨内介质球和料浆的混合体近似地看作是一种不可压缩的粘性流体,运用二维不可压缩粘性流的Navier-Stokes方程求出其速度的近似求解公式。

    In the academic study , the mixture of medium - balls and slurry in the annular gap mill approximately is regarded as a kind of uncompressed viscous liquid , use the Navier-Stokes equation of planar uncompressed viscous liquid to get the formula of its velocity .

  26. 并且鉴于试验中液化砂土表现出较大的粘滞性,将海水和液化后砂土都看作粘性流体,采用层流Navier-Stokes方程来描述两层流体体系的运动。

    Furthermore , considerable viscosity of liquefied sand was observed in shaking table tests . Rather than the inviscid fluid assumption , both seawater and liquefied soil are treated as viscid fluids and the laminar Navier-Stokes equations are used to describe the motion of the two-layered wave system .

  27. 非牛顿粘性流体对浮子流量传感器测量影响的试验研究

    Experimental Investigation on Rotameter for Measuring Non - Newtonian Viscous Fluid

  28. 粘性流体中船行波的完整速度场

    The ideal velocity field of ship waves on a viscous fluid

  29. 离心油泵输送粘性流体时的性能换算方法

    Characteristic Conversion Methods of Centrifugal Oil Pump When Handling Viscous Fluids

  30. 粘性流体在光滑横管外壁形成液膜的机理研究

    Study of Liquid Film Formed of Viscosity Liquid Outside Horizontal Tube