论述了一种组合了欧拉 /欧拉和欧拉 /拉格朗日方法的研究浓相气固流的新数值模型。模型用基于Chapman-Enskog浓相气体理论的微元流体动理学方法计及了欧拉坐标系中的颗粒间相互作用。该模型在计算拉格朗日坐标系中的颗粒湍流扩散时采取颗粒随机分布模型。用该模型得出的计算结果与已发表的实验结果进行了比较 ,能较好的吻合。图 7参 1 2 A new numerical model for the study of dense-phase gas-solid flows combining Euler / Euler and Euler / Lagrange methods is presented. The model accounts for the particle-to-particle interaction in the Euler coordinate system using the elemental hydrodynamics method based on Chapman-Enskog dense-phase gas theory. The model takes the particle random distribution model into account when calculating the turbulent diffusion of particles in a Lagrangian coordinate system. The calculated results obtained by this model are compared with the published experimental results and can be well matched. Figure 7 Senate 1 2