Then this paper studied the effect of diffusion coefficient on concentration distribution and the conditions of substitution with numerical dispersion for physical diffusion.
通过将该半解析解与忽略扩散的数值解进行对比分析，讨论了数值弥散代替物理扩散的条件。
2
The expressions of field distribution and dispersion equations in two conditions are derived, and the results are numerically simulated.
推导两种情况下的场分布表达式及色散方程，并对结果进行数值模拟。
3
One dimensional sedimentation dispersion model simulates the axial distributionof solid holdup well.