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Sibirskii Zhurnal Industrial'noi Matematiki, 2023, Volume 26, Number 2, Pages 142–154
DOI: https://doi.org/10.33048/SIBJIM.2023.26.212 (Mi sjim1237) 		 
This article is cited in 1 scientific paper (total in 1 paper)

Impact of liquid drop over a superhydrophobic surface

P. M. Somwanshia, V. V. Cheverdaba, O. A. Kabovac

a Kutateladze Institute of Thermophysics SB RAS, pr. Akad. Lavrentyeva 1, Novosibirsk 630090, Russia
b Novosibirsk State University, ul. Pirogova 1, Novosibirsk 630090, Russia
c Novosibirsk State Technical University, pr. K. Marksa 20, Novosibirsk 630073, Russia
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DOI: https://doi.org/10.33048/SIBJIM.2023.26.212
Abstract: The impact of a liquid drop over a copper surface is investigated. The substrate is assumed to be superhydrophobic with a equilibrium contact angle of 150$^\circ$. Based on the volume of the drop, the Bond and Weber numbers are 0.23 and 1.6, respectively. Surface temperature and ambient air is at 298 K, and the temperature of the liquid drop is 5 K lower than the ambient. Simulation of conjugate heat transfer is performed using the axi-symmetric coordinate system. The Kistler contact line model is used to predict the dynamic contact angle of the drop during spreading. In the present work, we investigate the temporal variation of the shear stress and the wall heat flux induced over a substrate during the drop spreading.
Keywords: drop impact, superhydrophobic surface, surface temperature.
Funding agency Grant number
Russian Science Foundation 21-79-10373
Ministry of Science and Higher Education of the Russian Federation
This work was carried out within the framework of the state task for Kutateladze Institute of Thermophysics of the Siberian Branch of the Russian Academy of Sciences and with partial financial support from the Russian Science Foundation, project no. 21-79-10373.
Received: 22.11.2022
Revised: 05.12.2022
Accepted: 12.01.2023
English version:
Journal of Applied and Industrial Mathematics, 2023, Volume 17, Issue 2, Pages 405–413
DOI: https://doi.org/10.1134/S1990478923020187
Document Type: Article
UDC: 532.5
Language: Russian
Citation: P. M. Somwanshi, V. V. Cheverda, O. A. Kabov, “Impact of liquid drop over a superhydrophobic surface”, Sib. Zh. Ind. Mat., 26:2 (2023), 142–154; J. Appl. Industr. Math., 17:2 (2023), 405–413
Citation in format AMSBIB
\Bibitem{SomCheKab23}
\by P.~M.~Somwanshi, V.~V.~Cheverda, O.~A.~Kabov
\paper Impact of liquid drop over a superhydrophobic surface
\jour Sib. Zh. Ind. Mat.
\yr 2023
\vol 26
\issue 2
\pages 142--154
\mathnet{http://mi.mathnet.ru/sjim1237}
\transl
\jour J. Appl. Industr. Math.
\yr 2023
\vol 17
\issue 2
\pages 405--413
\crossref{https://doi.org/10.1134/S1990478923020187}
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