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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
Source PublicationPARTICUOLOGY
ISSN1674-2001
Volume38Pages:71-79
Abstract

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.

KeywordSimulation Condensational Growth Polydisperse Particles Particle Size Distribution
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.partic.2017.06.002
Indexed BySCI
Language英语
WOS KeywordAlternative Analytical Solution ; Population Balance-equations ; Direct Quadrature Method ; Biomass Fast Pyrolysis ; Size Distribution ; Oil-shale ; Heterogeneous Condensation ; Continuum Regime ; Tracheobronchial Airways ; Fractional Condensation
WOS Research AreaEngineering ; Materials Science
WOS SubjectEngineering, Chemical ; Materials Science, Multidisciplinary
Funding OrganizationNational Basic Research Program of China (973 Program)(2014C6744300) ; National Natural Science Foundation of China(51476180) ; Mesoscience Innovation Fund(COM2015A004)
WOS IDWOS:000430521000007
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24183
Collection多相复杂系统国家重点实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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