试验装置尺寸变化对铁球团试验结果影响的DEM模拟

Y. Aguilera-Carvajal, Yonathan Tapia Robledo, Sebastian Alexander Pérez Cortés
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引用次数: 0

摘要

本研究通过对三种不同尺寸的实验测试装置进行DEM计算机模拟,确定颗粒在重力作用下分组时所经历的剪切角和休止角形成结果的差异。在这方面,不同高度、宽度和深度的实验测试装置是用铁球颗粒进行几何建模的,使用形貌和其球形等效直径从6毫米到9毫米的粒度变化。根据获得的结果,将可获得可靠的实验测试装置尺寸,以获得必要的数据,以正确调整使用铁球团粒状材料的采矿-冶金过程的DEM模拟的校准参数。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
DEM Simulation to Determine the Influence on the Experimental Results of Tests of Iron Pellets When the Dimensions of the Test Device Are Varied
The current study is based on the DEM computer simulation of three experimental test devices with different dimensions to determine the difference in the results of the formation of shear and repose angles that the particles experience when grouped under the action of the gravitational force. In this respect, the experimental test devices with different height, width, and depth were geometrically modeled with iron pellet particles using morphology and a granulometric variation from 6 mm to 9 mm of equivalent diameter in its spherical shape. Depending on the results obtained, a reliable size of the experimental test device will be available to obtain the necessary data for a cor-rect adjustment of the calibration parameters for the DEM simulation of min-ing-metallurgical processes that use granulated material of iron pellet.
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