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Visualization and characterization of gas-liquid mass transfer around a taylor bubble right after the formation stage in microreactors

Yang, Lixia and Dietrich, Nicolas and Loubiere, Karine and Gourdon, Christophe and Hebrard, Gilles Visualization and characterization of gas-liquid mass transfer around a taylor bubble right after the formation stage in microreactors. (2016) Chemical Engineering Science, vol. 143. pp. 364-368. ISSN 0009-2509

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Official URL: http://www.sciencedirect.com/science/article/pii/S0009250916000221

Abstract

The gas-liquid mass transfer occurring in Taylor flows right after the bubble formation stage were investigated in a flow-focusing microreactor. The colorimetric technique proposed by Dietrich et al.(2013) was used for locally visualizing and characterizing the gas-liquid mass transfer. Thanks to this method, the liquid-side mass transfer coefficients kL were measured at the moment right after the bubble is detaching from the gas film near the cross-junction of the microreactor. Experiments were carried out for several flow conditions (95.7<Re<226.1,0.0043<Ca<0.010,0.4<We<2.3,Bo=0.044)and bubble size (2.34 < Lb/l < 5.59). The results have demonstrated that the contribution of mass transfer right after the bubble formation stage is reasonably larger to those obtained at the bubble flowing-stage

Item Type:Article
Additional Information:Thanks to Elsevier editor. The definitive version is available at http://www.sciencedirect.com The original PDF of the article can be found at Chemical Engineering Science website: http://www.sciencedirect.com/science/article/pii/S0009250916000221
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
French research institutions > Institut National de la Recherche Agronomique - INRA (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
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Deposited By: Karine LOUBIERE
Deposited On:01 Apr 2016 10:27

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