查询词典 Reynolds number

The results of efficiency index variation with Reynolds number have been studied, and the factors, which affect the performance of enhancement tubes, have been analyzed.

研究了传热效率指标随雷诺数的变化规律，并根据该规律分析了影响这四种强化管优劣的因素。

The product of the friction coefficient and Reynolds number is therefore no longer constant.

实验结果表明，其流动特性与传统结果有一定的区别，摩擦因子与雷诺数的乘积和表面

The simulations are performed at different Reynolds number and compared with the experimentally and numerically established results.

Lattice Boltzmann Method 是近年来兴起的新型流体计算方法，该方法已成功应用模拟各工程中的流体流动。

The rms of fluctuating velocity, as well as the mean velocity profiles, for different Reynolds number has also been studied.

本文还对不同雷诺数下均方根速度的分布进行了研究；给出了不同雷诺数的平均速度剖面。

As the Reynolds number increases, this flow loses stability, and displays some behavior of nonlinear dynamics, accordingly, it is very important to study this problem, which values in application.

这种流动随雷诺数的增大，在从稳态层流发展到湍流的过程中，表现了一些典型的非线性动力学行为，因此对它的研究具有重要的理论意义和应用价值。

With span 4,9 M, depth 48 cm, and slimness 8 it seems like wings of any RC model :- There are used WORTMANN's laminar profile with low Reynolds number.

随着跨度4，9男，深入四八厘米，轻薄8好像翅膀的遥控模型：-任何有使用沃特曼的层流档低雷诺数。

In the future, some issues need to be investigated further, which include: enforcement of the stability, raising Reynolds number of the flow field being simulated, treatment of curve boundaries as well as further development of application.

以后有待深入研究的问题是增强方法的稳定性、提高模拟流场的雷诺数、曲线边界的处理和实用化的进一步发展。

The flow around a stationary and in-line oscillating circular cylinder in a uniform flow at Reynolds number of 150 is studied by solving Navier-Stokes equations on a moving grid system described by Arbitrary Largangian-Eulerian method.

通过求解采用ALE方法描述的运动坐标系Navier-Stokes方程组，分析均匀来流下雷诺数为150的静止和流向振荡的圆柱绕流。

The simulation is carried out with the excitation frequency relative to the natural vortex-shedding frequency from the corresponding stationary cylinder taking values in the range which stands for sub- and superharmonic excitation and the oscillation dimensionless amplitudes. Change of these parameters and Reynolds number will lead to the mode synchronization and mode competition and the switching between different vortex shedding modes.

对振动频率和静止圆柱旋涡脱落频率比在一定的超谐和亚谐范围、一定的无量纲振幅范围和不同的雷诺数都作了模拟，发现随这些参数变化将产生旋涡脱落模式的同步、竞争和相互转化现象。

According to the design performance aim, we estimate the overall parameters and complete the shape design of two schemes. Normal and tailless layouts are respectively applied. Then we use different airfoil and wing with low Reynolds number and the aerodynamic analysis of the result is achieved.

根据设计性能指标，进行总体参数估算，完成了两种方案的外形设计，分别采用了正常和无平尾的布局形式，进行了不同的低雷诺数翼型和机翼配置，并对设计结果进行了气动分析。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。