湍流扩散系数

山东省层状云系中湍流扩散系数的分布特征

Distribution Features of Turbulent Diffusion Coefficient in Stratiform Clouds over Shandong Province

海域湍流扩散系数的确定

Determination of marine turbulence diffusion coefficients

在湍流扩散系数的估算中，采用了带稳定度函数的参数化方案；

In the treatment of vertical turbulent coefficients , the parameterization scheme has been employed with Richardson numbers .

本文计算塔板浓度场模式的提出使对湍流扩散系数的处理引入化工理论成为必要；

The development of model dealing with the concentration field on the tray reveals that the entry of chemical engineering theory into the calculation of turbulent diffusivity is necessary .

利用北黄海5号倾废区定点锚泊连续测流资料，计算了不同时间尺度的湍流扩散系数，给出了湍流扩散系数随时间尺度的变化关系。

The continuous current data from the fixed point observation at Waste Dumping Zone No. 5 in northern Yellow Sea was used to compute the turbulence diffusion coefficients of various time-scales . The relationship between the coefficients and time-scale was given out .

在解析解中，研究了大气条件诸如风速、湍流扩散系数、Ragleigh摩擦以及层结的影响，同时讨论了重力波对温度分布垂直结构的效应。

The influences of the atmospheric conditions , such as wind speed , eddy diffusivity , Rayleigh friction as well as stratification are investigated analytically . In addition , the effects of gravity waves on the vertical structure of the temperature distribution are also discussed .

使用这一模型可同时计算出湍流传质扩散系数、三维浓度场和速度场分布。

By this model , the turbulent mass transfer diffusivity , the three-dimensional velocity / concentration profiles and the efficiency of chemical equipment can be predicted simultaneously .

纤维悬浮剪切湍流中纤维旋转扩散系数的理论研究

Theoretical Research on the Rotational Dispersion Coefficient of Fiber in the Turbulent Shear Flow of Fiber Suspension

文中利用湍流耗散特征时间尺度和湍流垂直扩散系数对湍流二阶距进行参数化，将一个统计云方案与一阶湍流闭合方案进行耦合。

In this study , a statistical cloud scheme is first introduced and coupled with a 1st-order turbulence scheme with 2nd-order turbulence moments parameterized by the timescale of the turbulent dissipation and the vertical turbulent diffusion coefficient .