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Gas penetrating flow through dynamic particle clusters
Liu, Xinhua; Jiang, Yuefang; Zhang, Nan; Li, Jinghai
2016-09-01
发表期刊POWDER TECHNOLOGY
ISSN0032-5910
卷号297期号:SEP页码:409-414
摘要Gas penetrating flow was found to exist in a static cluster model and contribute much to the suspension of particles in our previous study. This phenomenon however needs to be clarified further since particle clusters in actual gas-solid flow have no fixed shapes and internal structures due to their dynamic evolution with time and space. In this article, a general guideline based on gradient calculation is proposed to identify particle clusters from solids concentration fields, so as to quantify gas penetrating flow through dynamic particle clusters. By EMMS-based CFD simulation and two-phase PIV measurement, the internal two-phase flow fields of dynamic particle clusters are analyzed to gain an insight into gas-solid interaction inside particle clusters. Both the simulated and experimental results are qualitatively consistent with the previous findings that gas penetrating flow significantly increases with the increase of cluster voidage and hence should betaken into account in the mathematical modeling of particle clusters in gas-solid fluidization. (C) 2016 Elsevier B.V. All rights reserved.
关键词Fluidization Cluster Numerical Simulation Piv Measurement Penetrating Flow
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.powtec.2016.04.043
收录类别SCI
语种英语
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者Strategic Priority Research Program of the Chinese Academy of Sciences(XDA07080400) ; National Key Basic Research Program of China (973 program)(2014CB744304) ; Natural Science Foundation of China(21376244 ; 91334107)
WOS记录号WOS:000378969000041
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21191
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, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Liu, Xinhua,Jiang, Yuefang,Zhang, Nan,et al. Gas penetrating flow through dynamic particle clusters[J]. POWDER TECHNOLOGY,2016,297(SEP):409-414.
APA Liu, Xinhua,Jiang, Yuefang,Zhang, Nan,&Li, Jinghai.(2016).Gas penetrating flow through dynamic particle clusters.POWDER TECHNOLOGY,297(SEP),409-414.
MLA Liu, Xinhua,et al."Gas penetrating flow through dynamic particle clusters".POWDER TECHNOLOGY 297.SEP(2016):409-414.
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