定常流

  • 【物】steady flow
定常流定常流
  1. 用X热线探针测量二元非定常流速度的方法

    A method for measuring two-dimensional unsteady flow velocity with x-hot-wire probes

  2. 定常流的实验结果与解N-S方程的计算结果作了比较。

    Comparisons between the results got from experiments and the computation by solving N S equations were made .

  3. 三维定常流Stokes问题的边界积分方程法

    A boundary integral equation method for the stationary Stokes problem in three dimensions

  4. 根据非定常流数值模拟的特点,通过可视化编程方法,用VISUALBASIC6.0编写和调试了一维非定常总体模型的数值模拟程序;

    On the basis of characteristics of digital simulation of unsteady flow , the program for one-dimensional unsteady lumped model has compiled and tested under Visual Basic 6.0 environment completely .

  5. 脉动流作用引起的ET-1平均分泌率显著高于定常流的作用。

    The average production rate of ET-1 under pulsatile laminar flow was significantly higher than that under steady laminar flow .

  6. 机翼和叶栅非定常流的Kutta条件

    Kutta Condition in Unsteady Flow Around Airfoils and Cascades

  7. 二维非定常流的滑移面计算地震分界面的双三次Coons曲面的逼近

    Calculation of sliding interfaces for two-dimensional unsteady flow the approximation of seismic interfaces by bicubic Coons surface

  8. 中速柴油机MPC系统用高精度一维非定常流模型计算的流量误差研究

    The Research of Flow Errors on Using High Precision One Dimensional Unsteady Flow Model to Simulate Middle Speed Diesel Engines with MPC Turbocharging System

  9. MSEM增压系统一维非定常流计算模型的改进

    Amelioration of One Dimensional Unsteady Flow Model for MSEM Turbocharging System

  10. 对定常流作用下含立方非线性刚度的二元机翼颤振系统的二重半稳环分叉以及超临界Hopf分叉和次临界Hopf分叉进行了研究。

    Bifurcations of 2-multiple semi-stable limit cycles , as well as supercritical and subcritical Hopf bifurcations of an airfoil flutter system with cubic nonlinearity in incompressible flows were studied .

  11. 本文通过引入非定常流函数,在Levy&Lees坐标下导出了非定常可压边界层的动量方程,并以Box格式将它离散并求解。

    By defining an unsteady flow function , the compressible momentum equation for unsteady boundary layer in the Levy-Lees transformed coordinates is derived . Keller-Box scheme is used to make the equation discrete , which is then solved by a method for tridiagonal block matrix .

  12. 本文结合高精度TVD格式的数值通量和时间进展多步法给出了一种求解定常流问题的数值方法。

    A method which Combines the numerical flux of high accurate TVD scheme with multistage method in time approaching is developed to calculate the problems of 2-D steady flow .

  13. 采用三维粘性、等熵、可压缩、非定常流的Navier-Stokes方程,用有限体积法进行区域离散,对高速列车通过设置有横通道的隧道时所引起的出口微压波进行模拟。

    This paper presents a cell-centered finite volume scheme for numerical integration of Navier-Stokes equations for three-dimensional unsteady viscous compressible non-homentropic flow to simulate the micro-pressure wave produced by a high-speed train entering a tunnel with a transverse passage-way .

  14. 文中给出了VKI透平叶栅内的定常流结果和1.5级透平叶栅内的非定常数值结果。

    Numerical results of steady flow in the VKI gas turbine cascade and unsteady flow in a 1.5 stage steam turbine are presented .

  15. 本文选用共转Oldroyd-Maxwell流体本构方程建立起了粘弹性流体偏心环空内非定常流的流动方程;

    Adopting common conversion Oldroyd-Maxwell constitutive equation , in this paper , the flow equation of the unsteady flow of viscoelastic fluid in the eccentric annulus was established , and was discretized with control volume method ;

  16. 定常流中立管的多参数分叉

    The Multiple Parameters Bifurcation for the Riser in a Steady Flow

  17. 一维明渠非定常流数值计算稳定性分析

    Stability Analysis on Numerical Calculation for One-dimensional Unsteady Open Channel Flow

  18. 相对轨迹在冲击式水轮机非定常流研究中的应用

    Application of Relative Path in Unsteady Flow Study in Pelton Turbines

  19. 求二维非定常流数值解的主从网格方法

    A Method of Principal and Subordinate Grid for 2D-Unsteady Fluid Flow

  20. 恒定微压下微小流量的非定常流测量方法

    Non-steady Flow Method for Measuring the Micro Flow at Constant Micropressure

  21. 非牛顿流体管内不定常流的解析解

    Analytical Solutions for Equations of Unsteady Flow of Non-Newtonian Fluids in Tube

  22. 论热线风速仪在涡喷部件非定常流测量中的应用

    The application of hot wire anemometer in turbojet components unsteady flow measurement

  23. 计算绕薄翼型跨音速非定常流的积分方程法

    Computations of unsteady transonic flows about thin airfoils by integral equation method

  24. 一类非定常流的奇异有限元分析

    A kind of singular finite element analysis for nonsteady flowing

  25. 在层状系统中半承压井非定常流

    Non-steady flow toward a well in stratified systems with crossflow

  26. 一维等熵不定常流的总焓

    The Total Enthalpy in One - Dimensional Unsteady Isentropic Flow

  27. 非定常流弯肘型尾水管不规则压力脉动预测

    Irregular Pressure Pulsation Prediction for Elbow Draft Tube Unsteady Flow

  28. 非定常流制冷原理在石油天然气回收中的应用

    Application of unsteady flow refrigeration to recorvery of petroleum gas

  29. 定常流中细长立管的应力边界层

    The Stress Boundary Layers of a Slender Riser in a Steady Flow

  30. 理想气体一维不定常流自模拟运动的基本微分方程

    Basic differential equation of self-similar motion of one-dimensional nonsteady flow of ideal gas