Quasi-steady vortical structures in vertically vibrating soap �lms

Vega de Prada, José Manuel and Higuera Antón, Francisco and Weidman, P. D. (1998). Quasi-steady vortical structures in vertically vibrating soap �lms. "Journal of Fluid Mechanics", v. 372 (n. 1); pp. 213-230. ISSN 0022-1120.

Description

Title: Quasi-steady vortical structures in vertically vibrating soap �lms
Author/s:
  • Vega de Prada, José Manuel
  • Higuera Antón, Francisco
  • Weidman, P. D.
Item Type: Article
Título de Revista/Publicación: Journal of Fluid Mechanics
Date: 1998
ISSN: 0022-1120
Volume: 372
Subjects:
Faculty: E.T.S.I. Aeronáuticos (UPM)
Department: Fundamentos Matemáticos de la Tecnología Aeronáutica [hasta 2014]
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

An analysis of the quasi-steady streaming of the liquid in a vertically vibrated horizontal soap film is reported. The air around the soap film is seen to play a variety of roles: it transmits normal and tangential oscillatory stresses to the film, damps out Marangoni waves, and forces non-oscillatory deflection of the film and tangential motion of the liquid. Non-oscillatory volume forcing originating inside the liquid is also analysed. This forcing dominates the quasi-steady streaming when the excitation frequency is close to the eigenfrequency of a Marangoni mode of the soap film, while both volume forcing in the liquid and surface forcing of the gas on the liquid are important when no Marangoni mode resonates. Different manners by which the combined forcings can induce quasi-steady streaming motion are discussed and some numerical simulations of the quasi-steady liquid flow are presented.

More information

Item ID: 6007
DC Identifier: http://oa.upm.es/6007/
OAI Identifier: oai:oa.upm.es:6007
Official URL: http://journals.cambridge.org/action/displayIssue?iid=13320
Deposited by: Memoria de Investigacion 2
Deposited on: 15 Feb 2011 10:12
Last Modified: 20 Apr 2016 14:39
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