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Pirat C, Mathis C, Maïssa P, et al. Structures of a continuously fed two-dimensional viscous film under a destabilizing gravitational force. Phys Rev Lett. 2004;92(10):104501doi: 10.1103/PhysRevLett.92.104501.
Pirat, C., Mathis, C., Maïssa, P., & Gil, L. (2004). Structures of a continuously fed two-dimensional viscous film under a destabilizing gravitational force. Physical review letters, 92(10), 104501. https://doi.org/10.1103/PhysRevLett.92.104501
Pirat, C, et al. "Structures of a continuously fed two-dimensional viscous film under a destabilizing gravitational force." Physical review letters vol. 92,10 (2004): 104501. doi: https://doi.org/10.1103/PhysRevLett.92.104501
Pirat C, Mathis C, Maïssa P, Gil L. Structures of a continuously fed two-dimensional viscous film under a destabilizing gravitational force. Phys Rev Lett. 2004 Mar 12;92(10):104501. doi: 10.1103/PhysRevLett.92.104501. Epub 2004 Mar 12. PMID: 15089210.
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Phys Rev Lett. 2004 Mar 12;92(10):104501. doi: 10.1103/PhysRevLett.92.104501. Epub 2004 Mar 12.

Structures of a continuously fed two-dimensional viscous film under a destabilizing gravitational force.

Physical review letters

C Pirat, C Mathis, P Maïssa, L Gil

Affiliations

  1. Institut du Non Linéaire de Nice (UMR CNRS 6618), Université de Nice Sophia Antipolis, 1361 Route des Lucioles, F-06560 Valbonne, France. [email protected]

PMID: 15089210 DOI: 10.1103/PhysRevLett.92.104501

Abstract

We study the gravity induced instability of a liquid film formed below a plane grid which is used as a porous media in an original hydrodynamic experiment. The film is continuously supplied with a controlled flow rate. We give through a phase diagram the full spectrum of the different flow regimes and we investigate the dynamics of the observed structures. True secondary instabilities of a 2D periodic pattern are described. The control parameters are the flow rate and the viscosity.

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