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The dynamic contact angle in the presence of a non-isothermal boundary condition

Gerstmann, Jens and Dreyer, Michael E. (2007) The dynamic contact angle in the presence of a non-isothermal boundary condition. Microgravity Science and Technology, 19 (3/4), pp. 96-99.

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Official URL: http://www.ztec-publishing.uni-bremen.de/main.html

Abstract

Experiments have been performed to investigate the effect of a thermal boundary condition on the dynamic contact angle at compensated gravity conditions. Thermocapillary flows were generated between heated parallel plates. The data show that the Marangoni convection causes an increase of the apparent dynamic contact angle. A relation has been determined for the dynamic contact angle in dependence on the thermocapillary Reynolds number multiplied by the aspect ratio (L/D) an the ratio of the Weber number and the thermocapillary Weber number.

Document Type:Article
Title:The dynamic contact angle in the presence of a non-isothermal boundary condition
Authors:
AuthorsInstitution or Email of Authors
Gerstmann, JensUNSPECIFIED
Dreyer, Michael E.ZARM Universität Bremen
Date:November 2007
Journal or Publication Title:Microgravity Science and Technology
Refereed publication:Yes
In ISI Web of Science:Yes
Volume:19
Page Range:pp. 96-99
Status:Published
Keywords:Microgravity, Dynamic Contact Angle, Marangoni Flow
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W FR - Forschung unter Weltraumbedingungen (old)
DLR - Research area:Space
DLR - Program:W FR - Forschung unter Weltraumbedingungen
DLR - Research theme (Project):W -- no assignement (old)
Location: Bremen
Institutes and Institutions:Institute of Space Systems > Transport- und Antriebssysteme
Deposited By: Dr.-Ing. Jens Gerstmann
Deposited On:15 Feb 2008
Last Modified:27 Apr 2009 14:34

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