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The reflection of drops off hot surfaces

Rein, M. (1999) The reflection of drops off hot surfaces. Zeitschrift für angewandte Mathematik und Mechanik, 79 (S3), pp. 743-744.

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When a drop approaches a hot surface the vapor production can be so high that the drop is reflected without wetting the surface. This phenomenon that occurs when the temperature of the surface is above a critical value, is modeled by approximating the drop by a rigid liquid disk. The flow of the vapor in the gap underneath the disk is considered to be inviscid and incompressible. Thus the inertia of both the drop and the vapor are of primary importance. The disk model describes the main features of the drop-surface interaction. In particular, the kinetic energy of the reflected drop is reduced. This is also observed in experiments but has previously been attributed to viscous dissipation only.

Item URL in elib:https://elib.dlr.de/12655/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=2003,
Title:The reflection of drops off hot surfaces
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Journal or Publication Title:Zeitschrift für angewandte Mathematik und Mechanik
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Page Range:pp. 743-744
Keywords:dynamic Leidenfrost effect, drainage
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Aeronautics
HGF - Program Themes:Aircraft Research (old)
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics (old)
Location: Köln-Porz , Braunschweig , Göttingen
Institutes and Institutions:Institute of Aerodynamics and Flow Technology
Deposited By: DLR-Beauftragter, elib
Deposited On:31 Jan 2006
Last Modified:14 Jan 2010 19:18

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