eddy diffusivity

Based on the one-dimensional advection-diffusion model, we quantitatively estimate the eddy diffusivity and the associated nutrient fluxes. The findings provide the basis for the scientific management in the coastal area.

以一维平流-扩散模型为基础，定量认识海洋水体平流和扩散过程、评估其输送的营养盐通量，为海岸带及近海海域的科学管理提供依据。

EDDY DIFFUSIVITY AND TURBULENT STRUCTURES IN BUBBLE COLUMNS The Turbulent Mixing and Double Diffusion in Yellow Sea and East China Sea and Their Seasonal Variation

鼓泡塔中的有效涡扩散系数及湍流特性黄东海湍流混合与双扩散现象及其季节变化

Based on some reasonable simplifications on turbulent eddy diffusivity and mean velocity, an analytical solution to the charge transportation equation related to flow electrification is derived, by which an expression for the streaming current in a pipe is derived.

在合理简化紊流扩散系数和油流速度的基础上，推导出油内有关油流带电的电荷输运方程的解析解，并且根据该解析解导出了冲流电流计算公式。

The sensitivity analysis of the model parameters reveals that liquid flow pattern on a tray is the most important factor affecting the result, while liquid flow distribution between pools and eddy diffusivity are shown to be insensitive parameters.

计算结果表明，塔板上液体流型是影响模拟结果的最主要因素，而各混合池间的流速分布和涡流扩散系数不是敏感参数。

Thrid, layering horizontal eddy diffusivity patterns within TL are used, Fourth, new dry deposition velocity pattern including the effect of plant canopy layer vertical structure is adopted.

第三，使用TL内分层的水平涡旋扩散系数型；第四，采用包含有植物冠层垂直结构影响的新干沉积速度型；

In boundary layer dynamics, the eddy diffusivity is a important parameter for the wind structure in the planetary boundary layer.

在边界层动力学中，涡动粘性系数是影响边界层风场结构的一个重要参数。

A new model for the prediction of locally distributed Reynolds shear stress and eddy diffusivity in bubble columns is presented by taking account of the two phase turbulence flow properties of such reactors.

根据鼓泡塔内的两相湍流特性，提出估算塔内局部Reynolds剪切力的方法，由此导出新的局部涡扩散系数关系式，讨论其与既有关系式的异同并与湍流实测数据比较。