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题名: Flow Pattern, Pressure Drop, and Mass Transfer in a Gas-Liquid Concurrent Two-Phase Flow Microchannel Reactor
作者: Niu, Haining1, 2;  Pan, Liwei1;  Su, Hongjiu1;  Wang, Shudong1
刊名: INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
发表日期: 2009-02-04
DOI: 10.1021/ie801095a
卷: 48, 期:3, 页:1621-1628
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: Flow pattern, pressure drop, and mass transfer characteristics have been studied for the gas-liquid two-phase flow in a 1.0 mm inner diameter circular microchannel reactor. A mixture Of CO(2), N(2), and polyethylene glycol dimethyl ether was used to represent the gas and liquid phases, respectively. Bubbly, slug, churn, and slug-annular flow patterns were observed in the present work. A flow pattern map using superficial gas and liquid velocities as coordinates has been developed and compared to the existing flow pattern maps for similar to 1 mm diameter channels. The data obtained for the pressure drop of the two-phase flow were analyzed and compared with the homogeneous model and the separate flow model to assess their predictive capabilities. The liquid side volumetric mass transfer coefficient increased with an increase of the superficial gas and liquid velocities, and the influences of the superficial gas and liquid velocities on it were demonstrated. The liquid side mass transfer coefficient, which was as high as 3.34 s(-1), was 1 or 2 orders of magnitude higher than the traditional industrial gas-liquid contactors.
关键词[WOS]: MICROSTRUCTURED REACTORS ;  DIRECT FLUORINATION ;  TUBES ;  DIAMETER ;  AROMATICS
语种: 英语
WOS记录号: WOS:000262892800076
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141508
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 Sch, Beijing 100039, Peoples R China

Recommended Citation:
Niu, Haining,Pan, Liwei,Su, Hongjiu,et al. Flow Pattern, Pressure Drop, and Mass Transfer in a Gas-Liquid Concurrent Two-Phase Flow Microchannel Reactor[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2009,48(3):1621-1628.
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