The coefficient is fitted from calculating the sediment diffusion coefficient by suspended load model.
通过悬沙模型反求泥沙扩散系数的方法来拟合系数。
It's shown from measured data that the distribution in vertical of sediment diffusion coefficient can be obtained correctly by the model.
实测资料表明该模型可以比较准确地直接计算泥沙扩散系数沿垂线的分布。
The sediment diffusion in the open-channel flow is a basic question in sediment research, and sediment diffusivity research is one of the most important aspects.
明槽挟沙水流中的泥沙扩散是泥沙运动力学研究中的基本课题，泥沙扩散系数研究是其中的一个核心内容。
Based on experimental results from a flume, a systematical study on the properties of sediment diffusion in turbulent mixing region at the mouth of cecum reach was made.
本文在分析水槽模型试验结果的基础上，简要论述了盲肠式河段口门紊动掺混区的水流紊动和泥沙扩散特性。
Fifthly, based on the consideration of sediment diffusion because of sediment particle interaction, the equation of vertical distribution of sediment concentration is derived.
五是在考虑泥沙颗粒碰撞扩散的基础上，推导了泥沙浓度沿垂线的分布规律。
The comparison of calculations and experiment data indicates the two are well agreed, and the two-fluid model can effectively describe the diffusion of high concentration sediment cloud.
计算结果与试验数据对比表明，计算值与实测值吻合较好，双流体模型能有效地刻画高浓度泥沙云团的扩散问题。
The boundary condition at bed surface of diffusion equation of nonuniform sediment is derived based on the concept of exchange intensity of stochastic theory by the author.
文中首先给出了由我们建立的床面泥沙交换理论导出的非均匀沙扩散方程的边界条件。
By introducing the diffusion caused by sediment colliding, the diffusion theory is revised, and the equation for sediment concentration distribution is derived from theory analysis.
进而在引入颗粒碰撞扩散的基础上，对泥沙颗粒扩散理论进行修正，从而在理论上得到了挟沙水流泥沙含量分布规律的公式。
Results of homogeneous turbulence experiments show that the diffusion coefficient varies with the size and density of sediment particles, just as indicated by the theoretical analysis.
表达式显示出的扩散系数随垂向脉动流速均方根值和颗粒粒径、密度而变化的趋势与实验结果吻合。
Air diffusion can impact the pollutant distribution in atmosphere, and so do some non-diffusion aspects such as dry sediment, wet sediment and chemical translation.
污染物在大气中被稀释扩散时，还会发生干沉积、湿沉积和化学转化过程，所有这些都会影响污染物在大气中的分布。
To calculate distribution of sediment concentration in vertical under wave and current, a model of silt diffusion coefficient distribution in vertical is set up.
为了计算波流共同作用下含沙量沿垂线的分布，建立了沿垂线分布的泥沙扩散系数模型。
Not only convection but also random diffusion of substantial particle and their sediment are considered in the model.
该模型不仅考虑了质点在海水中的对流运动，而且还用大量质点的随机扩散模拟湍扩散过程。
Not only convection but also random diffusion of substantial particle and their sediment are considered in the model.
该模型不仅考虑了质点在海水中的对流运动，而且还用大量质点的随机扩散模拟湍扩散过程。
应用推荐