The pure diffusion and convection-diffusion of particles in the Poiseuille flow have been numerically studied with LBM model. The result is consistent with the Taylor-Aris dispersion theory.

• 此外，本文利用该模型分别对槽流中的纯扩散和对流扩散进行了数值模拟，所得结果与Taylor-Aris扩散理论相符。