查询词典 Reynolds number

By using the swirling strength method,the vortex structures excluded the effect of shear were shown clearly,and were concentrated in the coniform area of the central mixing flow field.With increasing Reynolds number,swirling strength increased and the coniform area became narrow.

利用旋涡强度法分析流场清楚地显示出排除了剪切作用的涡结构主要集中在混合层中心的锥形区域，随着Reynolds数的增大，旋涡强度的值不断增大而锥形区域不断变窄。

It was shown that the dimensionless entropy generation number depended exclusively on Reynolds number and wall-to-inlet temperature difference for a given duct or tube, and the method might help to identify inappropriate enhanced tubes or extended surfaces and assist engineers to design better heat transfer equipment with the criteria assessing the merits of augmentation techniques in connection with energy conservation and exergy destruction according to entropy generation analysis.

结果表明：对于给定的管道，量纲1熵产数只与流动Reynolds数和进口与壁面的温度差有关。利用该分析方法不仅可通过参数分析获得几种强化方式的能量综合利用效果，还可确定合理的流动工况参数、结构参数和合理的强化形式。

The characteristic and difference of flow in porous media between the pseudo-plastic fluids and the expansile fluids was described in detail. The experimental pressure drop measurements were made in a packed bed under a variety of conditions, and the variation of the friction factor with the Reynolds number was obtained. Corresponding to the flow resistance in a nonporous channel, the flow resistance in porous media can be divided into Darcy resistance and Forchheimer resistance as well. The experiment data was divided into Darcy regime, transitional regime and Forchheimer regime in accordance with the Reynolds number.

实验测定了不同浓度聚丙烯酰胺溶液在五组填充多孔介质中流动的压降-流量关系，绘出了阻力因子随Reynolds数变化的关系曲线；按照将流动阻力分为层流粘性阻力和惯性阻力的观点，将多孔介质流动阻力分为Darcy阻力和Forchheimer流动阻力；参考有关文献，将实验区域按Reynolds数范围分为Darcy流动、过渡流动和Forchheimer流动。

The comparisons between nitrogen oxides predictions and measurements were made,and the influence of Reynolds number, scalar dissipation and flamelet time on the formation of nitrogen oxides was discussed.

将氮氧化物的计算结果和实验数据进行了比较，并探讨了Reynolds数、标量耗散和火焰面时间对氮氧化物排放的影响。

The roughness coefficients are inverse proportional to Reynolds number on gentle slopes, and on the contrary,they are direct proportional to Reynolds number on steeper slopes.

在坡度较陡的坡面上，由于水流侵蚀作用强度的变化及重力影响作用的渐趋显著，阻力系数又会随雷诺数的增大而变大。

Nitrogen oxides emission from a series of turbulent methane jet non-premixed flames with different Reynolds number was numerically simulated, in order to investigate the influence of turbulence on the formation of nitrogen oxides.

对一系列具有不同Reynolds数的湍流甲烷射流扩散火焰中氮氧化物的排放进行了数值模拟，以考察湍流对氮氧化物排放的影响。

Initially this case will be run with a Reynolds number of 10, where the Reynolds number is defined as

最初，这种情况下，将运行例子中雷诺数为10，其中雷诺数定义为

If the Reynolds number is sufficiently great,three different flow regions will exist.

如果Reynolds.number 是充足地伟大的，三个不同流程地区将存在。

The influence of volume fraction of solid phaseon Nusselt number seemed slight in spite of the change of Reynolds number.

在不同的Reynolds数下固相含量对Nusselt数的影响很微弱。

The effects of Reynolds number, Prandtl number and nanoparticle concentration on the convective heat transfer characteristics were investigated.

考察了Reynolds数、Prandtl数以及体积分数对流动换热的影响。

The basic concept of FOP can be summarized as to further optimize effective prescription according to the standard of curative effects and with the aid of modern science and technology and theories of traditional Chinese medicine.

其基本内涵可概括为：以确有疗效的中药复方为研究对象，以现代科学技术和传统中医药理论为技术支持，以该复方所治病证的药效响应为评价标准，以优化重组疗效更优的新复方为研究目的。

Ever since our world has been a world, native forests have been indiscriminately exploited by man.

自从我们的世界一直是世界原生森林被任意剥削人。