CAS OpenIR  > 多相复杂系统国家重点实验室
Unification of particle velocity distribution functions in gas-solid flow
Zhao, Bidan1,2; Wang, Junwu1
2018-02-23
发表期刊CHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
卷号177页码:333-339
摘要Continuum models have been extensively used in CFD simulation of gas-solid flow, which is usually closed with a kinetic theory of granular flow for particulate phase stresses and a correlation for interphase drag force. Particle velocity distribution function (PVDF) is the cornerstone of kinetic theory of granular flow and the PVDFs in gas-solid flow can be Maxwellian, bimodal and/ or non-Maxwellian with an overpopulated high-energy tail, depending on the physical nature of gas-solid flow. Here we theoretically show that the different PVDFs can be unified under the umbrella of a recently proposed kinetic theory framework (Wang et al., 2016) and the root of different PVDFs lies in the different characteristics of mesoscale structures. Validation of theoretical analysis is then carried out by comparing the theoretical prediction with experimental and DNS data available in literature. The findings of present study offer a possibility of developing a unified kinetic theory for gas-solid flows. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Fluidization Gas-solid Flow Kinetic Theory Granular Flow Clustering Structure Particle Velocity Distribution Function
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.ces.2017.11.047
收录类别SCI
语种英语
关键词[WOS]FILTERED 2-FLUID MODELS ; FLUIDIZED-BEDS ; KINETIC-THEORY ; NUMERICAL-SIMULATION ; EULERIAN SIMULATION ; GRANULAR FLOW ; CFB RISERS ; SUSPENSION ; EQUATIONS ; PARADIGM
WOS研究方向Engineering
WOS类目Engineering, Chemical
项目资助者National Natural Science Foundation of China(21422608) ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences(QYZDJ-SSW-JSC029)
WOS记录号WOS:000425918100027
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24002
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
推荐引用方式
GB/T 7714
Zhao, Bidan,Wang, Junwu. Unification of particle velocity distribution functions in gas-solid flow[J]. CHEMICAL ENGINEERING SCIENCE,2018,177:333-339.
APA Zhao, Bidan,&Wang, Junwu.(2018).Unification of particle velocity distribution functions in gas-solid flow.CHEMICAL ENGINEERING SCIENCE,177,333-339.
MLA Zhao, Bidan,et al."Unification of particle velocity distribution functions in gas-solid flow".CHEMICAL ENGINEERING SCIENCE 177(2018):333-339.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Zhao, Bidan]的文章
[Wang, Junwu]的文章
百度学术
百度学术中相似的文章
[Zhao, Bidan]的文章
[Wang, Junwu]的文章
必应学术
必应学术中相似的文章
[Zhao, Bidan]的文章
[Wang, Junwu]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。