定常流动

FlowChamber流动实验中非定常流动特性的研究

A Study of Non steady Flow Properties in Flow Chamber Experiment

为了研究蒸汽凝结对流动的影响，采用商用软件CFX-5数值模拟了某大功率凝汽式汽轮机末级的定常流动。

For investigating the effect of steam condensation on the flow , the steady flow on large power condensing turbine last stage was numerical simulated with commercial computational software CFX-5 .

本文研究了基于自适应笛卡尔网格的虚拟单元方法（GhostCellMethods），并将其用于求解二维无粘可压定常流动问题。

This thesis presents ghost cell methods on adaptive Cartesian grids to solve two dimensional steady compressible flows .

Maxwell流体环管不定常流动解析解

Analytical solution for the unsteady flow of Maxwell fluids through annular pipes

上随体Maxwell流体模型非定常流动的谱方法研究

Model . A Study on Unsteady Flow of Upper-Convected Maxwell Fluid by Spectral Method

涡轮叶栅非定常流动的PIV实验

Experiment on turbine blade unsteady flow with PIV

叶片扩压器内部非定常流动的PIV测量

PIV Measurement of Unsteady Flow within Blade Diffusor

在此基础上建立了可用于跨音速非定常流动的Euler方程隐式求解法。

And with this method , an implicit difference equation for solving the unsteady transonic flow with Euler equations is established .

本文基于Navier-Stokes方程，采用非定常流动的预处理方法，求解了翼伞在后缘下拉条件下的二维和三维气动力特性。

Computation of 2-D and 3-D flows past ram-air parachutes was conducted using an unsteady time-derivative preconditioning method for Navier-Stokes equation .

通过求解引入拟压缩项的不可压Navier-Stokes方程，数值模拟了绕扑动翼型的低雷诺数非定常流动。

Unsteady flows around flapping airfoils are simulated at low Reynolds number , by solving incompressible Navier-Stokes based on pseudo compressibility method .

以上随体Maxwell流体为非牛顿流体介质，探索了一种用谱方法解析处理水平圆管内非牛顿流体非定常流动的方法。

In the present investigation , the unsteady flow of upper-convected Maxwell fluid in a horizontal circular pipe is studied by spectral method .

将分数阶微积分运算引入Maxwell黏弹性流体的本构方程，研究了黏弹性流体在两平板间的非定常流动。

The fractional calculus is used in the constitutive equation of Maxwell viscoelastic fluid . An unsteady flow of viscoelastic fluid between two parallel plates is studied .

使用三维数值模拟软件NUMECA（NumericalMechanicsApplication）对双涵道风扇/增压级带转子叶尖间隙的粘性流场进行了三维定常流动数值模拟，获得了其设计转速下的流场特性。

A three dimension numerical simulation software named NUMECA ( numerical mechanics application ) was used to calculate the tip clearance flow of fan / compressor . The flow field performance under design speed condition was obtained .

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 .

非定常流动计算的PISO算法

PISO algorithm for unsteady flow field

以带襟翼舱与不带襟翼舱的GA（W）-1翼型为例，进行了定常流动数值模拟，并与实验结果进行对比分析，验证了多块流场求解程序的可行性；

It has demonstrated that the present method is accuracy and reliability . Through the numerical simulations of steady / unsteady flow for GA ( W ) - 1 airfoil , we have shown that the multi-block solving method is credible .

一维非定常流动的FVM-TVD方法与混合式脉冲转换器系统

FVM-TVD Method for One Dimensional Unsteady Flow and Mixed Pulse Converter Turbo-Charged System

数值分析基于FLUENT软件，采用动网格方法对三叶圆弧线型的逆流冷却罗茨鼓风机内部流场进行了可压缩非定常流动的数值模拟。

Based on the dynamic mesh techniques , the numerical simulation on three-lobe arc type Roots blower with countercurrent cooling was conducted with FLUENT software in order to investigate the inside flow field under the compressible and unsteady condition .

模拟一维非定常流动的FVM-TVD法

FVM-TVD Method for One Dimensional Unsteady Flow

采用时空二阶精度NND显式差分格式求解三维Euler方程，对跨音速压气机级中动静叶排相干形成的非定常流动进行了数值分析。

A numerical method for solving three-dimensional Euler equations by using second-order accurate NND explicit finite difference scheme is presented to simulate the unsteady flows induced by rotor / stator interaction inside a compressor stage .

建立了应用隐式LU-SGS方法的三维定常流动模拟程序，可用于求解超声速/高超声速粘性复杂流场。

In order to solve the complicated supersonic / hypersonic turbulence viscous flow field , a program for steady flow is built by using implicit LU-SGS method .

在有限体积离散中对时间的积分采用了三阶TVDRunge-Kutta时间推进格式，从而使得ENO格式可以应用于非定常流动的高阶数值模拟。

In the finite volume discretization approach , third-order TVD Runge-Kutta time stepping scheme is applied to the time integration , which assures the ENO schemes can be used in the high-order numerical simulation of unsteady flows .

介绍了进排气系统一维非定常流动的FVM-TVD法（总残差减少的有限体积法）。

In this paper , a FVM-TVD method for simulation of one-dimensional unsteady flow in inlet and exhaust manifold of ICE has been constructed .

应用STAR-CD流动分析软件和PISO算法，采用滑移网格和多重旋转坐标系技术，全流场计算了旋转叶轮和叶片扩压器耦合的非定常流动。

The unsteady interaction between rotating impeller and vaned diffuser in a whole flow field is numerically investigated with STAR-CD , and PISO algorithmic , sliding mesh and multi-rotating coordinates are employed to solve the governing equations .

讨论不可压缩非牛顿流体非定常流动的初边值问题，应用单调算子和Schauder不动点定理证明了解的存在唯一性与正则性。

This paper deals with the initial boundary value problem of nonsteady flow of incompressible non Newtonian fluid . Using monotone operators and Schauder ′ s fixed point theorem , we prove the existence and uniqueness and the regularity of solution .

动静叶相互干扰非定常流动特性的数值研究

Numerical Investigation of Unsteady Flow Characteristic of Rotor / Stator Interaction

模拟二维周期性非定常流动的谐波分析方法

A Harmonic Balance Technique for Simulating 2D Periodic Unsteady Flow Field

平面压气机叶栅非定常流动的数值研究

Numerical study of the unsteady flow in a plane compressor cascade

三维直叶栅非定常流动的并行计算研究

Parallel Numerical Study of the Unsteady Flow in 3-Dimensional Linear Cascade

三维扩压叶栅非定常流动机理研究的频谱分析

Frequency Analysis of Three Dimensional Compressor Cascade Unsteady Flow Mechanism Research