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Liquid entrainment by gas flow along the interface of a liquid bridge

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Abstract.

We report the results of numerical and experimental studies of two-phase flows in an annulus. The geometry corresponds to a cylindrical liquid column co-axially placed into an outer cylinder with solid walls. Gas enters into the annular duct and entrains the initially quiescent liquid. The internal column consists of solid rods at the bottom and top, while the central part is a liquid bridge from a viscous liquid and kept in its position by surface tension. Silicone oil 5cSt was used as a test liquid and air and nitrogen as gases. An original numerical approach was developed to study the problem in complex geometry. The flow structure in the liquid is analyzed for a wide range of gas flow rates.

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Authors and Affiliations

  1. Université Libre de Bruxelles, MRC, CP165/62, Av. F.D. Roosevelt 50, 1050, Bruxelles, Belgium

    Y. Gaponenko, A. Miadlun & V. Shevtsova

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  1. Y. Gaponenko
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  2. A. Miadlun
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  3. V. Shevtsova
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Gaponenko, Y., Miadlun, A. & Shevtsova, V. Liquid entrainment by gas flow along the interface of a liquid bridge. Eur. Phys. J. Spec. Top. 192, 63–70 (2011). https://doi.org/10.1140/epjst/e2011-01360-0

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  • DOI: https://doi.org/10.1140/epjst/e2011-01360-0

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