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

doi:10.1088/1674-1056/ab5789

中国物理B ›› 2020, Vol. 29 ›› Issue (1): 14702-014702.doi: 10.1088/1674-1056/ab5789

• ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS • 上一篇下一篇

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

Yue Zhang(张悦), Jinchun Song(宋锦春), Lianxi Ma(马连喜), Liancun Zheng(郑连存), Minghe Liu(刘明贺)

1 School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China;
2 Department of Physics, Blinn College, Bryan, TX 77805, USA;
3 School of Mathematics and Physics of University of Science and Technology Beijing, Beijing 100083, China;
4 School of Mechanical Engineering, Shenyang Jianzhu University, Shenyang 110168, China

收稿日期:2019-05-27 修回日期:2019-09-22 出版日期:2020-01-05 发布日期:2020-01-05
通讯作者: Yue Zhang E-mail:zhangyue12342280@sina.com
基金资助:
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).

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

Yue Zhang(张悦)¹, Jinchun Song(宋锦春)¹, Lianxi Ma(马连喜)², Liancun Zheng(郑连存)³, Minghe Liu(刘明贺)⁴

1 School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China;
2 Department of Physics, Blinn College, Bryan, TX 77805, USA;
3 School of Mathematics and Physics of University of Science and Technology Beijing, Beijing 100083, China;
4 School of Mechanical Engineering, Shenyang Jianzhu University, Shenyang 110168, China

Received:2019-05-27 Revised:2019-09-22 Online:2020-01-05 Published:2020-01-05
Contact: Yue Zhang E-mail:zhangyue12342280@sina.com
Supported by:
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).

摘要/Abstract

摘要： 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.

关键词: liquid-solid flow, two-phase flow, cohesive strength, yield stress

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.

Key words: liquid-solid flow, two-phase flow, cohesive strength, yield stress

中图分类号: (Granular flow)

47.57.Gc

47.61.Jd (Multiphase flows)

张悦, 宋锦春, 马连喜, 郑连存, 刘明贺. Mechanism from particle compaction to fluidization of liquid-solid two-phase flow[J]. 中国物理B, 2020, 29(1): 14702-014702.

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[J]. Chin. Phys. B, 2020, 29(1): 14702-014702.

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

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

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