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Simulation of fine polydisperse particle condensational growth under an octadecane-nitrogen atmosphere
Zhang, Hua1,2; Wang, Ze1,2; Song, Wenli1,2; Li, Songgeng1,2
2018-06-01
发表期刊PARTICUOLOGY
ISSN1674-2001
卷号38页码:71-79
摘要The evolution of particle size distribution (PSD) of fine polydisperse particles at high number concentrations (>10(5) cm(-3)) was simulated through a combined model employing direct quadrature method of moments (DQMOM) with heat and mass transfer equations. The PSD was assumed to retain log-normal distribution during the heterogeneous condensation process. The model was first verified by exact solution and experimental data prior to investigating the influence of initial conditions on final PSD under an octadecane-nitrogen atmosphere. Low particle number concentrations and high vapor concentrations were beneficial to shift the PSD to larger particles having a narrower distribution. Additionally, vapor depletion has more influence on the final PSD than the heat release parameter for a number concentration of 10(6) cm(-3). This study may assist the design process of a gas-solid separating cyclone, to eliminate dust from high-temperature volatiles by pyrolysis of solid fuels. (C) 2017 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
关键词Simulation Condensational Growth Polydisperse Particles Particle Size Distribution
文章类型Article
WOS标题词Science & Technology ; Technology
DOI10.1016/j.partic.2017.06.002
收录类别SCI
语种英语
关键词[WOS]ALTERNATIVE ANALYTICAL SOLUTION ; POPULATION BALANCE-EQUATIONS ; DIRECT QUADRATURE METHOD ; BIOMASS FAST PYROLYSIS ; SIZE DISTRIBUTION ; OIL-SHALE ; HETEROGENEOUS CONDENSATION ; CONTINUUM REGIME ; TRACHEOBRONCHIAL AIRWAYS ; FRACTIONAL CONDENSATION
WOS研究方向Engineering ; Materials Science
WOS类目Engineering, Chemical ; Materials Science, Multidisciplinary
项目资助者National Basic Research Program of China (973 Program)(2014C6744300) ; National Natural Science Foundation of China(51476180) ; Mesoscience Innovation Fund(COM2015A004)
WOS记录号WOS:000430521000007
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24183
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, Ctr Mesosci, State Key Lab Multiphase Complex Syst, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, SinoDanish Coll, Beijing 100190, Peoples R China
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Zhang, Hua,Wang, Ze,Song, Wenli,et al. Simulation of fine polydisperse particle condensational growth under an octadecane-nitrogen atmosphere[J]. PARTICUOLOGY,2018,38:71-79.
APA Zhang, Hua,Wang, Ze,Song, Wenli,&Li, Songgeng.(2018).Simulation of fine polydisperse particle condensational growth under an octadecane-nitrogen atmosphere.PARTICUOLOGY,38,71-79.
MLA Zhang, Hua,et al."Simulation of fine polydisperse particle condensational growth under an octadecane-nitrogen atmosphere".PARTICUOLOGY 38(2018):71-79.
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