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题名: Hydrodynamics and Mass Transfer of Gas-Liquid Flow in a Failing Film Microreactor
作者: Zhang, Haocui1, 2;  Chen, Guangwen1;  Yue, Jun1;  Yuan, Quan1
关键词: microchannel ;  falling film ;  gas-liquid two-phase flow ;  mass transfer
刊名: AICHE JOURNAL
发表日期: 2009-05-01
DOI: 10.1002/aic.11743
卷: 55, 期:5, 页:1110-1120
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Technology
类目[WOS]: Engineering, Chemical
研究领域[WOS]: Engineering
英文摘要: In this article, flow pattern of liquid film and flooding phenomena of a falling film microreactor (FFMR) were investigated using high-speed CCD camera. Three flow regimes were identified as "corner rivulet flow," "falling film flow with dry patches," and "complete falling film flow" when liquid flow rate increased gradually. Besides liquid film flow, in microchannels, a flooding presented as the flow of liquid along the side wall of gas chamber in FFMR was found at high liquid flow rate. Moreover, the flooding could be initiated at lower flow rate with the reduction of the depth of the gas chamber. CO(2) absorption was then investigated under the complete falling flow regime in FFMR, where the effects of liquid viscosity and surface tension on mass transfer were demonstrated. The experimental results indicate that k(L) is in the range of 5.83 to 13.4 x 10(-5) m s(-1) and an empirical cot-relation was proposed to predict kL in FFMR. (C) 2009 American Institute of Chemical Engineers AIChE J, 55: 1110-1120, 2009
关键词[WOS]: CARBON-DIOXIDE ABSORPTION ;  FALLING FILM ;  RECTANGULAR MICROCHANNEL ;  TRANSFER COEFFICIENTS ;  ELEMENTAL FLUORINE ;  ETHYLENE-GLYCOL ;  BREAK-UP ;  REACTORS ;  SURFACTANTS ;  CATALYSTS
语种: 英语
WOS记录号: WOS:000265620600004
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141302
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China

Recommended Citation:
Zhang, Haocui,Chen, Guangwen,Yue, Jun,et al. Hydrodynamics and Mass Transfer of Gas-Liquid Flow in a Failing Film Microreactor[J]. AICHE JOURNAL,2009,55(5):1110-1120.
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