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Sobac B, Rednikov A, Dorbolo S, et al. Leidenfrost effect: Accurate drop shape modeling and refined scaling laws. Phys Rev E Stat Nonlin Soft Matter Phys. 2014;90(5):053011doi: 10.1103/PhysRevE.90.053011.
Sobac, B., Rednikov, A., Dorbolo, S., & Colinet, P. (2014). Leidenfrost effect: Accurate drop shape modeling and refined scaling laws. Physical review. E, Statistical, nonlinear, and soft matter physics, 90(5), 053011. https://doi.org/10.1103/PhysRevE.90.053011
Sobac, B, et al. "Leidenfrost effect: Accurate drop shape modeling and refined scaling laws." Physical review. E, Statistical, nonlinear, and soft matter physics vol. 90,5 (2014): 053011. doi: https://doi.org/10.1103/PhysRevE.90.053011
Sobac B, Rednikov A, Dorbolo S, Colinet P. Leidenfrost effect: Accurate drop shape modeling and refined scaling laws. Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Nov;90(5):053011. doi: 10.1103/PhysRevE.90.053011. Epub 2014 Nov 21. PMID: 25493885.
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Phys Rev E Stat Nonlin Soft Matter Phys. 2014 Nov;90(5):053011. doi: 10.1103/PhysRevE.90.053011. Epub 2014 Nov 21.

Leidenfrost effect: Accurate drop shape modeling and refined scaling laws.

Physical review. E, Statistical, nonlinear, and soft matter physics

B Sobac, A Rednikov, S Dorbolo, P Colinet

Affiliations

  1. Université Libre de Bruxelles, TIPs-Fluid Physics, C.P. 165/67, av. F.D. Roosevelt 50, 1050 Brussels, Belgium.
  2. GRASP, Physics Department, Université de Liège, B-4000 Liège, Belgium.

PMID: 25493885 DOI: 10.1103/PhysRevE.90.053011

Abstract

We here present a simple fitting-parameter-free theory of the Leidenfrost effect (droplet levitation above a superheated plate) covering the full range of stable shapes, i.e., from small quasispherical droplets to larger puddles floating on a pocketlike vapor film. The geometry of this film is found to be in excellent quantitative agreement with the interferometric measurements of Burton et al. [Phys. Rev. Lett. 109, 074301 (2012)PRLTAO0031-900710.1103/PhysRevLett.109.074301]. We also obtain new scalings generalizing classical ones derived by Biance et al. [Phys. Fluids 15, 1632 (2003)PHFLE61070-663110.1063/1.1572161] as far as the effect of plate superheat is concerned and highlight the relative role of evaporation, gravity, and capillarity in the vapor film. To further substantiate these findings, a treatment of the problem by matched asymptotic expansions is also presented.

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