Abstract
The decay of a two-dimensional solitary wave into three-dimensional waves in film flow along a vertical plate has been studied using a high-speed laser-induced fluorescence technique that allows high spatial and temporal resolution measurements of the thickness of wave liquid films. It has been shown that the three-dimensional wave packet resulting from the decay of a two-dimensional solitary wave has a strong perturbing effect on the falling film and leads to the formation of rivulets on its surface.
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This work was carried out within the State Assignment of the Institute of Thermophysics of the Siberian Branch of the Russian Academy of Sciences and supported by the Russian Foundation for Basic Research (Grant No. 18-01-00682).
Original Russian Text © A.V. Bobylev, V.V. Guzanov, A.Z. Kvon, S.M. Kharlamov, D.M. Markovich.
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Translated from Prikladnaya Mekhanika i Tekhnicheskaya Fizika, Vol. 61, No. 3, pp. 5–10, May–June, 2020.
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Bobylev, A.V., Guzanov, V.V., Kvon, A.Z. et al. Experimental Study of the Formation of Three-Dimensional Waves from a Two-Dimensional Solitary Wave on Vertically Falling Liquid Films. J Appl Mech Tech Phy 61, 319–323 (2020). https://doi.org/10.1134/S0021894420030013
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DOI: https://doi.org/10.1134/S0021894420030013