并且比较了不同湍流模型的收敛速度和精度。
Convergent speed and accuracy of different turbulence models are putted together to make comparison.
湍流模型采用简化的亚网格尺度湍流粘性公式。
The effects of turbulence are modeled with a simplified subgrid-scale eddy viscosity.
本文还对旋转情况下湍流模型的修正进行了一些讨论。
The paper also makes some discussions on modifying the turbulence model with rotation.
为了保证模拟的精度要求，采用三种不同的湍流模型。
To ensure the precision, three different turbulent models ware adopted.
并采用湍流模型和SIMPLER算法进行了数值计算。
By using this model, a numerical computation is performed with turbulence model and SIMPLER algorithm.
阐述了二维弱可压缩流体流动控制方程和大涡模拟湍流模型。
The weakly compressible fluid control equations and the large eddy simulation turbulence model are expounded.
计算中采用了半正交曲线坐标系和涡粘性各向异性湍流模型。
The curvilinear semiorthogonal coordinate system and a turbulence model considering the anisotropy of eddy-viscosity are used.
应用几种不同的湍流模型，模拟计算水力光滑管的沿程阻力系数。
Friction loss factors of hydraulically smooth pipes have been calculated by using several different turbulent models.
通过模拟流场和试验流场的比较分析，对湍流模型进行了检验及验证。
By comparative analysis to the results of simulation and experiments, the turbulence model is tested and scientific validated.
介绍了机翼气流分离区的预测方法和不同湍流模型对其预测结果的影响。
A predicting method of wing turbulent separation area and the influence of different turbulent models on the results of prediction are introduced.
计算结果表明所选的湍流模型能够很好的反映离心风机气固两相流的情况。
The computational predictions of the centrifugal fan flow indicated that the turbulence model under-predicted gas-solid two-phase flows.
湍流模型采用雷诺应力模型，研究对象为U型分离器内的气-固两相流动。
Reynolds stress model is used to serve as a turbulent flow model with the object of study being the gas-solid two-phase flow in a U-shaped separator.
分别建立了水涡轮机械中、低、高浓度固液两相流湍流模型及泥沙磨损模型。
Turbulence models and wear models of low concentration as well as high concentration solid Liquid two - Phase flows in hydraulic turbomachinery are developed.
选择合适的湍流模型，对于研究严重事故下安全壳内的氢气分布显得极为重要。
Turbulence model plays an important role in the simulation of hydrogen distribution in the containment under severe accident.
首先采用S-A湍流模型对连续相流场进行数值模拟，得到了气相流场的特性；
The Spalart-Allmaras turbulence model was applied to simulate the continuous phase flow field. The gas flow field characteristics were obtained.
本文首先将单梁龙门起重机主梁二维刚性截面放于五种湍流模型中进行数值模拟。
First of all, numerical simulation of two-dimensional rigid main beam cross-section of the single beam gantry crane is carried out with five turbulence models.
准确数值模拟机翼动态失速时非定常流场主要有湍流模型和数值算法两方面的难点。
The numerical simulation of the unsteady flow field around an oscillating airfoil is difficult because of the complexity of turbulence models and numerical methods.
本文应用湍流模型对涡轮叶片尾缘针肋通道的换热与流动进行了二维数值模拟研究。
In this paper, heat transfer and fluid flow in passage for trailing edge of turbine blade with pin-fin arrays is studied numerically.
在两相流的计算中，对油气混合物选用欧拉-拉格朗日模型，湍流模型则选用 模型。
The Euler - Lagrange model is applied to the mixture of oil -gas and the model is applied to the turbulence model were used for the two-phase flow calculations.
CFD模拟结果与测试数据的比较表明，所选的湍流模型能正确模拟复杂的站台气流流动。
The comparison results of CFD simulation and field tests show that the selected turbulence model can correctly simulate complicated airflow in the platforms.
数值计算结果与试验资料的较好吻合，从而验证了湍流模型和计算方法的有效性和正确性。
The agreement between the calculated results and experimental ones show that the turbulence model and HFAM are effective and proper.
用法福尔质量加权平均N-S方程及两方程湍流模型求解三维超声速平板湍流边界层流动；
The mass-weight averaging N-S equations are adopted as the governing equations of flow, and a two-equation turbulent model is employed.
网格的划分采用非结构性网格，湍流模型为SA湍流模型，在近壁处采用壁面函数进行修正。
A finite volume method with unstructured meshes and s a turbulence model were employed in the calculation.
在湍流模型下，使用有限体积法求解质量守恒方程、动量方程、湍动能方程和湍动耗散率方程。
In turbulence model, the simulation applied finite volume method to solve the mass conservation equation, momentum equation, turbulent kinetic energy equation and turbulent dissipation rate equation.
本文将二阶矩两相湍流模型和颗粒动力学理论结合，提出了各向异性的二阶矩稠密两相湍流模型。
Finally an anisotropic two-phase turbulence model for dense gas-particle flows combining the usm model with the particle kinetic theory is proposed.
本文将二阶矩两相湍流模型和颗粒动力学理论结合，提出了各向异性的二阶矩稠密两相湍流模型。
Finally, an anisotropic two-phase turbulence model for dense gas-particle flows, combining the USM model with the particle kinetic theory, is proposed.
这表明常用在外流计算中的S - A湍流模型在内流计算中仍具有较高的精度，数值稳定性和效率。
It is shown that S-A turbulence model which usually used in external flows still sustains its precision, numerical stability and efficiency in the calculation of internal flows.
这表明常用在外流计算中的S - A湍流模型在内流计算中仍具有较高的精度，数值稳定性和效率。
It is shown that S-A turbulence model which usually used in external flows still sustains its precision, numerical stability and efficiency in the calculation of internal flows.
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