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Gas-Liquid Mass Transfer in Taylor Flow through Circular Capillaries
Liu, Dingsheng1,2; Wang, Shudong1
刊名INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
2011-02-16
DOI10.1021/ie902055p
50期:4页:2323-2330
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
关键词[WOS]BUBBLE-TRAIN FLOW ; MONOLITH REACTORS ; SEGMENTED FLOW ; PERFORMANCE ; DISPERSION ; TUBE ; FILM
英文摘要Based on computational fluid dynamics (CFD), gas-liquid mass transfer in upward Taylor flow through vertical circular capillaries was studied. To save computational resources and time, the numerical simulations were carried out in a moving frame of reference attached to Taylor bubbles. Three consecutive Taylor bubbles were used to mimic the behavior of Taylor flow in an infinitely long capillary. Steady-state solutions of concentration fields were obtained to describe gas transfer from Taylor bubbles to the liquid phase. The liquid-phase volumetric mass-transfer coefficient, K(L)a, was investigated as a function of various parameters, including the liquid-film length, liquid-slug length, liquid-film thickness, bubble rise velocity, liquid-phase diffusivity, capillary diameter, and gravity. One fitted equation, expressed with three dimensionless numbers, was developed to quantify the relationship between K(L)a and the above parameters. The examples show that the equation could predict K(L)a well. The contributions of the cylindrical bodies and hemispherical caps of Taylor bubbles on the overall mass transfer were studied separately.
语种英语
WOS记录号WOS:000287049700061
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142587
专题中国科学院大连化学物理研究所
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
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GB/T 7714
Liu, Dingsheng,Wang, Shudong. Gas-Liquid Mass Transfer in Taylor Flow through Circular Capillaries[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2011,50(4):2323-2330.
APA Liu, Dingsheng,&Wang, Shudong.(2011).Gas-Liquid Mass Transfer in Taylor Flow through Circular Capillaries.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,50(4),2323-2330.
MLA Liu, Dingsheng,et al."Gas-Liquid Mass Transfer in Taylor Flow through Circular Capillaries".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 50.4(2011):2323-2330.
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