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CFD simulation of pilot-scale bubble columns with internals: Influence of interfacial forces
Guan, Xiaoping; Yang, Ning
2017-10-01
发表期刊CHEMICAL ENGINEERING RESEARCH & DESIGN
ISSN0263-8762
卷号126页码:109-122
摘要

In the present study, influence of interfacial forces, including drag force and lateral forces (lift force, turbulent dispersion force and wall force) on the hydrodynamics in pilot-scale bubble columns with internals is analyzed. The results indicate that the lateral forces may be optional for the hollow columns, but they are required to accurately predict flow characteristics in the bubble columns with internals. Furthermore, it has been found that the bubbly flow behavior in the bubble columns with internals is more sensitive to the lateral forces in comparison with those without internals, and the complex geometry significantly alters the response of bubbly flow to the interfacial forces. In addition, despite the insignificant effect on gas holdup, the presence of internals gives rise to an enhancement of large-scale liquid circulation due to the remarkable decrease of turbulent viscosity. (C) 2017 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.

关键词Bubble Columns Internals Cfd Interfacial Force Churn-turbulent Flow
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.cherd.2017.08.019
收录类别SCI
语种英语
关键词[WOS]Gas-liquid Flow ; Regime Transition ; 2-phase Flow ; Stability Condition ; Phase Distribution ; Interphase Forces ; Turbulence Models ; Rod Bundle ; Hydrodynamics ; Dynamics
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 (National Key RD Plan)(2017YFB0602500) ; Research Center for Meso science at Institute of Process Engineering, Chinese Academy of Sciences(COM2016A004) ; 91634203)
WOS记录号WOS:000413387600010
引用统计
被引频次:3[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/122111/23291
专题多相复杂系统国家重点实验室
作者单位Chinese Acad Sci, Inst Proc Engn, State Key Lab Multiphase Complex Syst, POB 353, Beijing 100190, Peoples R China
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Guan, Xiaoping,Yang, Ning. CFD simulation of pilot-scale bubble columns with internals: Influence of interfacial forces[J]. CHEMICAL ENGINEERING RESEARCH & DESIGN,2017,126:109-122.
APA Guan, Xiaoping,&Yang, Ning.(2017).CFD simulation of pilot-scale bubble columns with internals: Influence of interfacial forces.CHEMICAL ENGINEERING RESEARCH & DESIGN,126,109-122.
MLA Guan, Xiaoping,et al."CFD simulation of pilot-scale bubble columns with internals: Influence of interfacial forces".CHEMICAL ENGINEERING RESEARCH & DESIGN 126(2017):109-122.
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