Quantifying growth and breakage of agglomerates in fluid-particle flow using discrete particle method

doi:10.1016/j.cjche.2017.05.018

Chin.J.Chem.Eng. ›› 2018, Vol. 26 ›› Issue (5): 914-921.DOI: 10.1016/j.cjche.2017.05.018

• Fluid Dynamics and Transport Phenomena • Previous Articles Next Articles

Quantifying growth and breakage of agglomerates in fluid-particle flow using discrete particle method

Lingfeng Zhou^1,2, Junwu Wang¹, Wei Ge^1,2, Shiwen Liu^1,2, Jianhua Chen¹, Ji Xu¹, Limin Wang¹, Feiguo Chen¹, Ning Yang¹, Rongtao Zhou^1,2, Lin Zhang¹, Qi Chang³, Philippe Ricoux⁴, Alvaro Fernandez⁵

1 State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China;
3 Tianjin University, Tianjin 300072, China;
4 TOTAL SA-R & D Groupe, Paris 92069, France;
5 Total Research & Technology Feluy, Belgium, Germany

Received:2017-04-28 Revised:2017-04-28 Online:2018-06-29 Published:2018-05-28
Contact: Junwu Wang,E-mail address:jwwang@ipe.ac.cn
Supported by:
Supported by TOTAL (DS-2885), the National Natural Science Foundation of China (91434201, 21422608) and the "Strategic Priority Research Program" of the Chinese Academy of Sciences (XDA07080000).

Quantifying growth and breakage of agglomerates in fluid-particle flow using discrete particle method

1 State Key Laboratory of Multiphase Complex Systems, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
2 University of Chinese Academy of Sciences, Beijing 100049, China;
3 Tianjin University, Tianjin 300072, China;
4 TOTAL SA-R & D Groupe, Paris 92069, France;
5 Total Research & Technology Feluy, Belgium, Germany

通讯作者: Junwu Wang,E-mail address:jwwang@ipe.ac.cn
基金资助:
Supported by TOTAL (DS-2885), the National Natural Science Foundation of China (91434201, 21422608) and the "Strategic Priority Research Program" of the Chinese Academy of Sciences (XDA07080000).

Abstract

Abstract: The cohesive solids in liquid flows are featured by the dynamic growth and breakage of agglomerates, and the difficulties in the development, design and optimization of these systems are related to this significant feature. In this paper, discrete particle method is used to simulate a solid-liquid flow system including millions of cohesive particles, the growth rate and breakage rate of agglomerates are then systematically investigated. It was found that the most probable size of the agglomerates is determined by the balance of growth and breakage of the agglomerates the cross point of the lines of growth rate and breakage rate as a function of the particle numbers in an agglomerate, marks the most stable agglomerate size. The finding here provides a feasible way to quantify the dynamic behaviors of growth and breakage of agglomerates, and therefore offers the possibility of quantifying the effects of agglomerates on the hydrodynamics of fluid flows with cohesive particles.

Key words: Agglomerate, Growth and breakage, Quantification, Discrete particle method

摘要： The cohesive solids in liquid flows are featured by the dynamic growth and breakage of agglomerates, and the difficulties in the development, design and optimization of these systems are related to this significant feature. In this paper, discrete particle method is used to simulate a solid-liquid flow system including millions of cohesive particles, the growth rate and breakage rate of agglomerates are then systematically investigated. It was found that the most probable size of the agglomerates is determined by the balance of growth and breakage of the agglomerates the cross point of the lines of growth rate and breakage rate as a function of the particle numbers in an agglomerate, marks the most stable agglomerate size. The finding here provides a feasible way to quantify the dynamic behaviors of growth and breakage of agglomerates, and therefore offers the possibility of quantifying the effects of agglomerates on the hydrodynamics of fluid flows with cohesive particles.

关键词: Agglomerate, Growth and breakage, Quantification, Discrete particle method

Lingfeng Zhou, Junwu Wang, Wei Ge, Shiwen Liu, Jianhua Chen, Ji Xu, Limin Wang, Feiguo Chen, Ning Yang, Rongtao Zhou, Lin Zhang, Qi Chang, Philippe Ricoux, Alvaro Fernandez. Quantifying growth and breakage of agglomerates in fluid-particle flow using discrete particle method[J]. Chin.J.Chem.Eng., 2018, 26(5): 914-921.

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Quantifying growth and breakage of agglomerates in fluid-particle flow using discrete particle method

Quantifying growth and breakage of agglomerates in fluid-particle flow using discrete particle method

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