Mechanism from particle compaction to fluidization of liquid-solid two-phase flow

doi:10.1088/1674-1056/ab5789

Abstract A new model of particle yield stress including cohesive strength is proposed, which considers the friction and cohesive strength between particles. A calculation method for the fluidization process of liquid-solid two-phase flow in compact packing state is given, and the simulation and experimental studies of fluidization process are carried out by taking the sand-water two-phase flow in the jet dredging system as an example, and the calculation method is verified.

Keywords: liquid-solid flow two-phase flow cohesive strength yield stress

Received: 27 May 2019
Revised: 22 September 2019
Accepted manuscript online:

PACS:	47.57.Gc	(Granular flow)
	47.61.Jd	(Multiphase flows)

Fund: Project supported by the National Natural Science Foundation of China (Grant No. 11772046) and the Young Scientists Fund of the National Natural Science Foundation of China (Grant No. 51705342).

Corresponding Authors: Yue Zhang
E-mail: zhangyue12342280@sina.com

Cite this article:

Yue Zhang(张悦), Jinchun Song(宋锦春), Lianxi Ma(马连喜), Liancun Zheng(郑连存), Minghe Liu(刘明贺) Mechanism from particle compaction to fluidization of liquid-solid two-phase flow 2020 Chin. Phys. B 29 014702

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