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Flow Distribution and Mass Transfer in a Parallel Microchannel Contactor Integrated with Constructal Distributors
Yue, Jun1,2; Boichot, Raphael2; Luo, Lingai2; Gonthier, Yves2; Chen, Guangwen1; Yuan, Quan1; Chen GW(陈光文)
KeywordMicrochannel Numbering-up Flow Distribution Gas-liquid Mass Transfer Constructal Theory
Source PublicationAICHE JOURNAL
2010-02-01
DOI10.1002/aic.11991
Volume56Issue:2Pages:298-317
Indexed BySCI
SubtypeArticle
Department9
Funding Project903
Contribution Rank1;1
WOS HeadingsScience & Technology ; Technology
WOS SubjectEngineering, Chemical
WOS Research AreaEngineering
WOS KeywordMICROFABRICATED MULTIPHASE REACTORS ; LIQUID MULTICHANNEL MICROREACTORS ; GAS-LIQUID ; 2-PHASE FLOW ; MICROSTRUCTURED REACTORS ; DIRECT FLUORINATION ; ELEMENTAL FLUORINE ; HYDROGEN-PEROXIDE ; HEAT-EXCHANGER ; SEGMENTED FLOW
AbstractFlow distribution and mass transfer characteristics during CO(2)-waterflow through a parallel microchannel contactor integrated with two constructal distributors have been investigated numerically and experimentally. Each distributor comprises a dichotomic tree structure that feeds 16 microchannels with hydraulic diameters of 667 mu m. It was found that constructal distributors could ensure a nearly uniform gas-liquid distribution at high gas flow rates where the ideal flow pattern was slug-annular flow. Nevertheless, at small gas flow rates where the ideal flow pattern was slug flow, a significant flow maldistribution occurred primarily due to the lack of large pressure barrier inside each distributor, indicating that dynamic. c pressure fluctuation it? parallel microchannels greatly disturbed an otherwise good flow distribution therein. It was further shown that the present parallel microchannel contactor could realize the desired mass transfer performance previously achieved in one single microchannel under relatively wide operational ranges due to the integration of constructal distributors. (C) 2009 American Institute of Chemical Engineers AIChE J, 56: 298-317 2010
Language英语
URL查看原文
WOS IDWOS:000274047100004
Citation statistics
Cited Times:69[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/102985
Collection中国科学院大连化学物理研究所
Corresponding AuthorChen GW(陈光文)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Savoie, LOCIE, F-73376 Le Bourget Du Lac, France
Recommended Citation
GB/T 7714
Yue, Jun,Boichot, Raphael,Luo, Lingai,et al. Flow Distribution and Mass Transfer in a Parallel Microchannel Contactor Integrated with Constructal Distributors[J]. AICHE JOURNAL,2010,56(2):298-317.
APA Yue, Jun.,Boichot, Raphael.,Luo, Lingai.,Gonthier, Yves.,Chen, Guangwen.,...&陈光文.(2010).Flow Distribution and Mass Transfer in a Parallel Microchannel Contactor Integrated with Constructal Distributors.AICHE JOURNAL,56(2),298-317.
MLA Yue, Jun,et al."Flow Distribution and Mass Transfer in a Parallel Microchannel Contactor Integrated with Constructal Distributors".AICHE JOURNAL 56.2(2010):298-317.
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