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Axisymmetric Level Set model of Leidenfrost effect

Abstract : We propose a level-set model of phase change and apply it to the study of the Leidenfrost effect. The new ingredients used in this model are twofold: first we enforce by penalization the droplet temperature to the saturation temperature in order to ensure a correct mass transfer at interface, and second we propose a careful differentiation of the capillary interface with respect to a moving interface with phase change. We perform some numerical tests in the axisymmetric case and show that our numerical method, while not avoiding well known numerical caveats of diffuse interface methods, behave quite well in the limit of numerical interface width going to zero in comparison to an analytical formula.
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https://hal.archives-ouvertes.fr/hal-00921581
Contributor : Emmanuel Maitre <>
Submitted on : Monday, May 26, 2014 - 4:22:30 PM
Last modification on : Tuesday, December 8, 2020 - 10:36:14 AM
Long-term archiving on: : Tuesday, August 26, 2014 - 12:12:27 PM

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  • HAL Id : hal-00921581, version 2

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Roland Denis, Houssam Khalil, Stéphane Labbé, Emmanuel Maitre. Axisymmetric Level Set model of Leidenfrost effect. 2013. ⟨hal-00921581v2⟩

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