1) k-w turbulence model
k-棕湍流模型
1.
The internal and external flow fields of a submerged body with two kinds of flood holes (shutter and narrow rectangular shape) are numericaly simulated by solving RANS equations with PISO scheme and k-w turbulence model.
本文通过求解RANS方程,结合PISO算法与k-棕湍流模型,数值模拟了带有两种不同形式流水孔(纵缝式与格栅式)潜体的内外流场。
2) k-ε turbulent model
k-ε湍流模型
1.
5?m/s was simulated based on the non-premixed combustion turbulent model and k-ε turbulent model.
方法使用标准k-ε湍流模型和非预混燃烧模型,将室外风速从0。
2.
The fundamental equations are the Reynolds averaged momentum equations with contravariant velocities as the variables and the elliptic pressure Poisson equation with the standard k-ε turbulent model used to close the equations.
基本方程是以逆变速度为变量的R eyno lds时均动量方程和椭圆型压力Po isson方程,并采用标准k-ε湍流模型封闭方程组。
3.
Simulates the tracks of particles with different diameter with the K-ε turbulent model and Euler-Lagrange two phase flow model.
建立了带浮尘源的同侧上送下回侧送风和异侧上送下回侧送风标准房间的物理模型,采用K-ε湍流模型和欧拉拉格朗日两相流模型模拟了不同粒径浮尘在房间内的轨迹,分析了不同送风形式、送风速度下不同粒径颗粒对气相流动的影响。
3) k-ε turbulence model
k-ε湍流模型
1.
Based on the flow field characteristic of the single expansion ramp nozzle for high supersonic aeroengines,the nozzle inner flow field was numerically simulated by 3D Navier-Stokes equations,three-order high resolution NND difference scheme and realizable k-ε turbulence model,and the nozzle flow field parameter distribution was obtained.
针对设计的高超音速动力系统用单斜面膨胀喷管流动特点,采用三维质量平均Navier-Stokes方程,空间三阶精度高分辨率NND差分格式及可实现k-ε湍流模型,对喷管内流场进行了数值模拟,获得了喷管的流场参数分布。
2.
The Farve-averaged N-S equation of unsteady compressible flow and the standard k-ε turbulence model are solved by Fluent software.
使用Fluent软件求解非定常可压缩流动的质量加权平均N-S方程和标准k-ε湍流模型,采用滑移网格技术数值模拟地效飞行器在波浪地面上方飞行的全机流场,研究波浪地面对气动性能的影响。
3.
Based on N-S equation,k-ε turbulence model,unstructured grid and clumpy gridding technology,the method of calculating unitedly the guide vane and runner was introduced,flow on flange clearance at 0,0.
本文基于N-S方程和k-ε湍流模型、非结构化网格和多块网格技术,采用导叶和转轮部分联合计算的方法,在不同工况下,对贯流式水轮机模型转轮轮缘间隙在0、0。
4) RNG k-εturbulence model
RNG k-ε湍流模型
1.
Three-dimensional unsteady simulation using RNG k-εturbulence model was used in full flow passage of model Kaplan turbine.
本文将利用RNG k-ε湍流模型对轴流式模型水轮机进行了全流道三维非定常湍流计算,预测模型水轮机的压力脉动性能。
2.
In this paper,the three-dimensional steady turbulent flow through the whole flow passage of a power plant is simulated based on the computational fluid dynamics software(CFX),by N-S equations and RNG k-εturbulence model.
基于计算流体动力学软件CFX,采用N-S方程和RNG k-ε湍流模型,通过对某电站原型水轮机进行三维定常全流道数值计算,分析了含减压管和转轮上冠密封间隙的混流式水轮机三维全流道数值模拟的建模过程,以及减压管对转轮上冠密封间隙流场的影响,并且分析了转轮上冠密封间隙和减压管内部流动的特性。
5) k-ω turbulence model
k-ω湍流模型
1.
The flow field structures,flow characteristics,design parameters and calculational results of different flight Mach numbers and different counter-pressures are obtained after the numberical simulation by using the k-ω turbulence model .
采用k-ω湍流模型,数值求解雷诺时均N-S方程,模拟得到了在不同飞行马赫数和不同反压条件下的流场结构、流动特征、设计参数和计算结果。
2.
The jet flow around a submarine model and its hydrodynamic force are numericaly simulated by solving RANS equations with k-ω turbulence model.
采用数值求解RANS方程的计算方法,结合k-ω湍流模型,模拟了潜艇模型在指挥台围壳开孔喷流后的流场和水动力。
6) RNG k-ε turbulence model
RNG k-ε湍流模型
1.
Application of 3-D RNG k-ε turbulence model of meandering river;
RNG k-ε湍流模型在三维弯曲河流中的应用
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