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RIVULETS FORMATION DURING WAVE MOTION OF ISOTHERMAL LIQUID FILM
Bobylev A.V.1,2, Guzanov V.V.1,2, Kvon A.Z.1,2, Markovich D.M.1,2, Kharlamov S.M.1,2
1 Institute of Thermophysics SB RAS, Novosibirsk, Russia
2 Novosibirsk State University, Novosibirsk, Russia
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Citation:
Bobylev, A.V., Guzanov, V.V., Kvon, A.Z., Markovich, D.M. and Kharlamov, S.M., (2015) Rivulets formation during wave motion of isothermal liquid film, Modern Science: Researches, Ideas, Results, Technologies, Iss. #1(16), PP. 139 - 142.
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Keywords:wave regimes; liquid film flow; wave motion; rivulet |
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Abstracts:
Results of an experimental study of transition processes from two dimensional to three dimensional wave regimes during isothermal vertically falling liquid film flow are presented. Instantaneous and averaged film thickness fields were obtained and analyzed. It is shown that the process of the transition to the three dimensional wave motion is accompanied by rivulets formation and the process of the rivulets development can be nonmonotonic. |
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References:
Park C.D., Nosoko T. Three-Dimensional Wave Dynamics on a Falling Film and Associated Mass Transfer // AIChE Journal. 2003. V. 49. N. 11. P. 2715-2727. Kalliadasis S. et al. Falling liquid films. - Springer Science & Business Media, 2011. - Т. 176. Scheid B., Ruyer-Quil C., Manneville P. Wave patterns in film flows: modelling and three-dimensional waves // J. Fluid Mech. 2006. V. 562. P. 183-222. Dietze G., Kneer R. Flow separation in falling liquid films //Frontiers in Heat and Mass Transfer (FHMT). - 2011. - Т. 2. - №. 3. Alekseenko S.V. et al. (2012). "Features of the transition from the regular two-dimensional to three-dimensional wave motion on the vertical falling liquid films", Technical Physics Letters, Vol. 38, no 8, p. 739
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