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A Study of the Soft-Sphere Model in Eulerian-Lagrangian Simulation of Gas-Liquid Flow
Xue, Jing1,2; Chen, Feiguo1; Yang, Ning1; Ge, Wei1
2017
发表期刊INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING
ISSN2194-5748
卷号15期号:1页码:57-67
摘要

Eulerian-Lagrangian method is becoming more and more popular for the simulation of dispersed multiphase flow as the computational ability grows. An important issue in this method is the handle of collisions. Until now, both hard-sphere and soft-sphere models have been used extensively in the simulation of gas-solid systems while in gas-liquid systems only the hard-sphere model is used. This study presents an investigation of the performance of the soft-sphere model in gas-liquid systems. The open source software OpenFOAM is utilized to complete our simulations. We simulated the 2D Becker case to give a preliminary study of the suitability of the soft-sphere model in gas-liquid systems. We tested the normal stiffness coefficient from 50 N/m to 0.01 N/m and found that the coefficient 1 N/m predicted sufficiently accurate flow field. In the simulation of 3D Deen case, we tried more stiffness coefficients and found that the soft-sphere model successfully predicted the fluid velocity, and the result at a normal stiffness coefficient of 1 N/m is the optimum. It can be expected that the soft-sphere model is also suitable in gas-liquid systems.

关键词Eulerian-lagrangian Method Gas-liquid Flow Soft-sphere Model Bubble Column
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1515/ijcre-2016-0064
收录类别SCI
语种英语
关键词[WOS]LARGE-EDDY SIMULATION ; BUBBLE-COLUMNS ; DYNAMIC SIMULATION ; FLUIDIZED-BEDS ; 2-PHASE FLOW ; BREAK-UP ; COALESCENCE
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Natural Science Foundation of China(91434121) ; Ministry of Science and Technology of China(2013BAC12B01) ; State Key Laboratory of Multiphase complex systems(MPCS-2015-A-03) ; Chinese Academy of Sciences(XDA07080301)
WOS记录号WOS:000394150000006
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21998
专题多相复杂系统国家重点实验室
作者单位1.Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
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Xue, Jing,Chen, Feiguo,Yang, Ning,et al. A Study of the Soft-Sphere Model in Eulerian-Lagrangian Simulation of Gas-Liquid Flow[J]. INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING,2017,15(1):57-67.
APA Xue, Jing,Chen, Feiguo,Yang, Ning,&Ge, Wei.(2017).A Study of the Soft-Sphere Model in Eulerian-Lagrangian Simulation of Gas-Liquid Flow.INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING,15(1),57-67.
MLA Xue, Jing,et al."A Study of the Soft-Sphere Model in Eulerian-Lagrangian Simulation of Gas-Liquid Flow".INTERNATIONAL JOURNAL OF CHEMICAL REACTOR ENGINEERING 15.1(2017):57-67.
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