1) high Reynolds number flow
高雷诺数流动
1.
After giving a brief summary of the development of ship CFD (computerised fluid dynamics) in recent years, the paper discussed in detail the latest development of relevant technologies such as mess generation, turbulence mode, free surface flowing, parallel calculation and high Reynolds number flow.
本文简要综述了近年来船舶计算流体力学 (CFD)的发展 ,介绍了船舶 CFD在网格生成 ,紊流模式 ,自由面流动 ,并行计算 ,高雷诺数流动等方面的研究动态。
2.
In order to solve several basic problems of high Reynolds number flow computations, we suggest a theory of strong viscous flow, where there exists at least one viscous term being the same order of magnitude as the inertial term in the Navier Stokes (NS) equations.
对高雷诺数流动计算 ,为了解决部分粘性项甚至全部惯性粘性项落入误差与流动物理尺度的关系问题 ,本文提出强粘性流动理论。
2) low Reynolds number flow
低雷诺数流动
1.
We present a symplectic analytical method for the study of two-dimensional low Reynolds number flow in a wedge-shaped cavity caused by constant unit tangential velocity of the curved wall.
采用辛对偶方法对楔形空腔环向边界驱动的低雷诺数流动进行计算,研究了楔形空腔内的流场变化。
3) large reynolds number flow
大雷诺数流动
4) High Reynolds number
高雷诺数
1.
In order to develop up-wind scheme for convection-diffusion equation under high Reynolds number,exponent or power function was used as power coefficient of auto up-wind.
采用指数函数或幂函数作为自动迎风的权系数,建立高雷诺数(Re)下对流扩散方程的迎风格式。
2.
And the development of low speed high Reynolds number wind tunnel at abroad has been introduced.
论述了在我国建造低速增压风洞的必要性;介绍了国外低速高雷诺数风洞发展现状;提出了衡量现代生产性风洞性能的标准;给出了正在建造的我国低速增压风洞的主要技术性能及设计和建造中的技术关键。
3.
And the demands of CFD for high Reynolds number on computational mesh were investigated.
将计算值与试验值进行比较,研究了雷诺数对船舶阻力和伴流场的影响,探讨了高雷诺数下CFD计算对网格的要求。
5) High reynolds numbers
高雷诺数
1.
Many scholars have done much experimental research about this problem, but the results of experimental research was at low Reynolds numbers, at high Reynolds numbers there are a great deal of difficulties by experimental research.
有鉴于此,本文采用数值模拟的方法(LES方法)对孤立刚性圆柱和串列刚性双圆柱在高雷诺数(1。
2.
The velocity of wake of single and two circular cylinders in tandem arrangement in 2-D incompressible uniform cross flow at high Reynolds numbers was numerically simulated using LES model of CFX-5 software in this paper.
本文采用计算流体软件CFX-5中Large-eddy simulation(LES)模型对高雷诺数时、均匀流场中的孤立圆柱及串列双圆柱的尾流动态进行了二维模拟。
6) Reynolds
雷诺流动
1.
A Study of Several Physics Factors in Reynolds Lubrication;
对一维雷诺流动中几个物理量的分析
补充资料：雷诺数
| 雷诺数 Reynolds number 流体力学中表征粘性影响的相似准数。为纪念O.雷诺而命名，记作Re。Re＝ρvL／μ，ρ、μ为流体密度和粘度，v、L为流场的特征速度和特征长度。对外流问题，v、L一般取远前方来流速度和物体主要尺寸(如机翼弦长或圆球直径)；内流问题则取通道内平均流速和通道直径。雷诺数表示作用于流体微团的惯性力与粘性力之比。两个几何相似流场的雷诺数相等，则对应微团的惯性力与粘性力之比相等。雷诺数越小意味着粘性力影响越显著，越大则惯性力影响越显著。雷诺数很小的流动（如润滑膜内的流动），其粘性影响遍及全流场。雷诺数很大的流动（如一般飞行器绕流），其粘性影响仅在物面附近的边界层或尾迹中才是重要的。在涉及粘性影响的流体力学实验中，雷诺数是主要的相似准数。但很多模型实验的雷诺数远小于实物的雷诺数，因此研究修正方法和发展高雷诺数实验设备是流体力学实验研究的重要课题。 |
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参考词条