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Numerical Simulation of Sliding Drops on an Inclined Solid Surface

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Computational and Experimental Fluid Mechanics with Applications to Physics, Engineering and the Environment

Part of the book series: Environmental Science and Engineering ((ENVENG))

Abstract

We consider numerical simulations of drops sliding on an inclined solid surface. The simulations are performed using our in house research code JADIM based on the Volume of Fluid formulation of the mass and momentum equations. Special algorithms have been developed for the simulation of the hysteresis of the contact line as well as for the description of moving contact lines. The onset of motion is analyzed and the effect of the contact line hysteresis is studied. The critical angle of inclination, as well as the corresponding drop shape, are discussed and compared with previous experiments. The sliding velocity for a constant angle of inclination is also considered and compared with experiments. The different shapes observed in experiments (rounded, corner, cusp, or pearling drop) are recovered depending on both the fluid properties and the angle of inclination. The drop sliding velocity is then considered for larger values of the hysteresis.

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Authors and Affiliations

  1. Institut de Mécanique des Fluides de Toulouse, IMFT, Université de Toulouse, CNRS-INPT-UPS, 2 Allée du Professeur Camille Soula, Toulouse, 31400, France

    Marco Maglio & Dominique Legendre

Authors
  1. Marco Maglio
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  2. Dominique Legendre
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Corresponding author

Correspondence to Dominique Legendre .

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Editors and Affiliations

  1. Centro de Física, Instituto Venezolano de Investigaciones Científicas, San Antonio de Los Altos, Miranda, Venezuela

    Leonardo Di G. Sigalotti

  2. Instituto Nacional de Investigaciones Nucleares and Cinvestav-Abacus, La Marquesa, Estado de México, Mexico

    Jaime Klapp

  3. Centro de Física, Instituto Venezolano de Investigaciones Científicas, San Antonio de Los Altos, Miranda, Venezuela

    Eloy Sira

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Maglio, M., Legendre, D. (2014). Numerical Simulation of Sliding Drops on an Inclined Solid Surface. In: Sigalotti, L., Klapp, J., Sira, E. (eds) Computational and Experimental Fluid Mechanics with Applications to Physics, Engineering and the Environment. Environmental Science and Engineering(). Springer, Cham. https://doi.org/10.1007/978-3-319-00191-3_3

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