496014 Particle Convection in Vibrating Bed

Satoru Matsuda1, Yoshizo Suzuki1, Hiroshi Takeda2, Hiroki Oka3 and Hiroyuki Nawa4, (1)National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan, (2)Rflow Co., Ltd., Saitama, Japan, (3)R-flow Co., Ltd., (4)Morimatsu Industry Co.,Ltd, Motosu, Japan

When particle transporting, the particle convection was observed in a bed caused by vibrating. The height of the bed in the vicinity of the center is larger than that of the periphery considerably. It is well known phenomenon as the particle convection. A simulation using DEM explains the phenomenon well.
Because the particle convection encourages the attrition, it is desirable to suppress when transporting. Suitable partition in the bed is discussed using DEM in this report.

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