采用离散元方法，对喷动流化床内的颗粒混合特性进行了三维直接数值模拟。
Numerical simulations on particle mixing characteristics of spout-fluid bed were carried out in three dimensional based on discrete element method (DEM).
用于干法制粒，提供精确的颗粒尺寸和密度，便于产品统一混合，控制灰尘，改进流量特性，统一的粒子硬度等。
For dry granulation of powders providing precise control of particle size and density in order to produce uniform blends, control dust, improve flow properties, consistent particle hardness, etc.
本文采用直接数值模拟的方法，研究了颗粒惯性对均匀各向同性湍流场中被动标量混合特性的影响。
The influence of partial inertia on scalar mixing in homogeneous isotropic turbulent flows was studied using a direct numerical simulation (DNS) method.
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