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Experimental study of the thermocapillary rupture dynamics of water and ethanol layers

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, , Citation D Y Kochkin et al 2020 J. Phys.: Conf. Ser. 1677 012137 DOI 10.1088/1742-6596/1677/1/012137

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kochkin1995@mail.ru

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1 Kutateladze Institute of Thermophysics, Russian Academy of Sciences, 1 Lavrentyev Ave., Novosibirsk, 630090, Russia

2 Novosibirsk State Technical University, 20 K. Marks Ave., Novosibirsk, 630073, Russia

3 Novosibirsk State Technical University, 2 Pirogov Str., Novosibirsk, 630090, Russia

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1742-6596/1677/1/012137

Abstract

Rupture dynamics of thin (500 μm) horizontal liquid films of water and ethanol was experimentally investigated during non-uniform heating from the side of smooth substrate. On the same substrate under similar heating conditions, the propagation rate of a dry spot in a horizontal water film was found to be several orders of magnitude higher than the rate of propagation of a dry spot in an ethanol layer.

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10.1088/1742-6596/1677/1/012137