查询词典 Reynold

As the Reynold number increased,the thermal boundary layer thickness and the friction resistance coefficient decreased, while the Nusselt number increased.

摘 要：利用软件Gambit建立了微通道换热器的三维流动与传热模型，用Fluent软件进行三维流场、温度场的分析与仿真。

Keywords local strictured ;flow;separation;Reynold number

局部狭窄；流动；分离；雷诺数

Sponding finite element matries equations were deduced to provide the necessery computing subroutines. Study was concentrated on the 80% stenosis model with Reynold number varing from 100～800. Results have been compared with the Newtonian flow under the same conditions.

在FIDAP程序库中提交了有关子程序，分别考虑了80％模型在不同雷诺数下的速度分布，压力分布和壁面剪应力分布，并将计算结果与同样条件下牛顿流体的结果进行了比较和分析。

B: To H model blade tip, the film cooling effectiveness was controlled by main flow Reynold number, and has little relation with blow ration, which is different from normal film cooling.

且主流流速大时，冷却效率变低，且增大气膜吹风比对提高冷却效率不很明显，这一点不同于其它简单结构的气膜冷却。

It is found that water velocity vertical distribution under ice-cover is influenced mainly by the relative size of channel roughness and ice-cover roughness, less by the water depth and not sensitive to the variation of Reynold number as well, which is relatively uniform in the flow core and deviates from the logarithmic law.

结果表明：冰盖下水流流速垂向分布主要受床面与冰盖粗糙度的相对大小影响，受水深影响较小，对雷诺数变化并不敏感；在流动核心部分分布较为均匀，并不遵循对数分布规律。

Analysis based on hydromechanics indicates that the size of minimum vortexes determines the size of agglomerates of xonotlite. The stirring Reynold's number should be less than 16500 for formation of large agglomerates.

搅伴流体力学分析指出搅伴产生最小旋涡尺寸决定了球形团聚体的大小，为了获得大的球形团聚体，搅伴雷诺数应该小于16500。

A: To flat model blade tip, the film cooling effectiveness was controlled mainly by blow ration , and the heat transfer coefficient was governed by main flow Reynold number.

第三：对于H型叶端气膜换热系数，由于后壁对流体的阻挡和扰动，换热系数将主要取决于主流雷偌数和吹风比。

The velocity vectors of the flow field are also calculated. Finally, on the basis of experimental data and dimensional analysis, the effects of Reynold number and Froude number on the reattachment length decreases as Re or Fr increases, and the regression formulas are following

最后将实验数据及参数加以无因次分析，探讨雷诺数及福禄数对复合长度之影响，发现无因次复合长度随著雷诺数及福禄数之增加而减短，其回归公式如下

First, based on the analysis of the grid Reynold number, the necessity for adopting high order scheme is emphasized when there is the complex flows with strong separation and high parameters gradient regions. Then, according to the entropy increased condition, the third order ENN scheme is constructed. Meanwhile, a fast, effective, and simple implicit numerical method called hybrid flux splitting method is developed. After that, the one dimensional model problem with many extrema and Burgers equation are simulated. Through the comparisons with exact solutions, the accuracy and effectiveness of the ENN scheme are confirmed.

首先通过对网格雷诺数的分析，论证了在求解含分离及较大参数梯度的流动时，采用高阶格式的必要性，然后从熵增原理出发，提出了建立三阶ENN格式的准则，同时发展并建立了一种快速、有效的简单隐式算法"混合通量分裂法"，通过对一维模型问题及Burgers方程的数值试验，检验了三阶格式的计算精度。

An the orthogonal test of mist eliminator is conducted, and it is found that the angle of corrugated baffle and Reynold number of gas have a great influence on both the separation efficiency and the pressure drop of mist eliminator.

首先对除雾器除雾性能进行正交试验，并采用直观分析法和方差分析法对正交试验结果进行了分析，发现波形板曲折角α对除雾效率η影响显著，对压降影响特别显著，α为45°时，除雾器除雾效率高且压降适中；斜边长与板间距比值L/b对除雾效率η有一定影响，但对气流压降影响不大；气流雷诺数Re对除雾效率η和气流压降影响显著。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。