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Numerical investigation of particle size segregation in piling, hopper filling and discharging processes

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thesis
posted on 12.06.2018 by TENGFANG ZHANG
This thesis examines the size segregation phenomenon in the piling, hopper filling and discharging processes, and the application in a paul-wurth hopper by discrete element method. It clarifies the underlying mechanisms of segregation by the microscopic parameters, including velocity, porosity and forces obtained from the simulation. These four processes are analysed comprehensively. The effects of material property, moisture content, size ratio and volume fraction are investigated. At last, several correlations are proposed to reveal the structural characteristics.

History

Campus location

Australia

Principal supervisor

Zongyan Zhou

Additional supervisor 1

Aibing Yu

Year of Award

2018

Department, School or Centre

Chemical Engineering

Course

Doctor of Philosophy

Degree Type

DOCTORATE

Faculty

Faculty of Engineering

Exports

Exports