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Phys. Rev. E 76, 045301(R) (2007) [4 pages]

Dynamics of thin liquid films falling on vertical cylindrical surfaces subjected to ultrasound forcing

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Len Moldavsky, Mati Fichman, and Alexander Oron*
Department of Mechanical Engineering, Technion - Israel Institute of Technology, Haifa 32000, Israel

Received 12 July 2007; published 19 October 2007

Axial ultrasound forcing applied to a vertical cylinder is shown to affect a gravity-driven flow of a thin liquid film on its outer surface. In the case of larger forcing amplitudes, we find that the film flow can be completely stopped.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevE.76.045301
DOI:
10.1103/PhysRevE.76.045301
PACS:
47.15.gm, 47.85.mb

*meroron@tx.technion.ac.il

 
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