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A discrete elements simulation and analysis of a high energy stirred milling process

机译:高能搅拌磨过程的离散元模拟与分析

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摘要

Stirred bead mills used in industry allow to split up particules in suspension by agitating a milling medium. The multiple impacts may damage beads and thus reduce the stirred milling process efficiency. A discrete numerical approach including simple fluid effects is proposed and carried out in this paper to model and study finely the damage phenomenon. The simulation data allow to identify internal variables of the milling medium and to localize high energy zones. The order of magnitude of contact forces including fluid contribution will enhance the bead wear law.
机译:工业上使用的搅拌珠磨机可通过搅拌研磨介质来将悬浮液中的颗粒分开。多重冲击可能会损坏珠粒,从而降低搅拌研磨过程的效率。提出了一种包含简单流体效应的离散数值方法,并对其进行了建模和精细研究。仿真数据可以识别铣削介质的内部变量并定位高能区。包括流体作用在内的接触力的数量级将增强胎圈的磨损规律。

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