Anomalous roughening of Hele-Shaw flows with quenched disorder

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RECERCAT Home > Universitat de Barcelona > Física Quàntica i Astrofísica > Articles publicats en revistes (Física Quàntica i Astrofísica) > View document

To access the full text documents, please follow this link: http://hdl.handle.net/2445/12826

dc.contributor	Universitat de Barcelona
dc.contributor.author	Soriano i Fradera, Jordi
dc.contributor.author	Ramasco, J. J.
dc.contributor.author	Rodríguez Díaz, Miguel Ángel
dc.contributor.author	Hernández Machado, Aurora
dc.contributor.author	Ortín, Jordi, 1959-
dc.date	2010-06-11T08:26:59Z
dc.date	2010-06-11T08:26:59Z
dc.date	2002
dc.identifier.citation	0031-9007
dc.identifier.citation	509773
dc.identifier.uri	http://hdl.handle.net/2445/12826
dc.format	4 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	American Physical Society
dc.relation	Reproducció digital del document proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevLett.89.026102
dc.relation	Physical Review Letters, 2002, vol. 89, núm. 2, p. 026102-1-026102-4
dc.relation	http://dx.doi.org/10.1103/PhysRevLett.89.026102
dc.rights	(c) American Physical Society, 2002
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Superfícies (Física)
dc.subject	Física estadística
dc.subject	Dinàmica de Fluids
dc.subject	Surfaces (Physics)
dc.subject	Statistical physics
dc.subject	Fluid dynamics
dc.title	Anomalous roughening of Hele-Shaw flows with quenched disorder
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The kinetic roughening of a stable oil-air interface moving in a Hele-Shaw cell that contains a quenched columnar disorder (tracks) has been studied. A capillary effect is responsible for the dynamic evolution of the resulting rough interface, which exhibits anomalous scaling. The three independent exponents needed to characterize the anomalous scaling are determined experimentally. The anomalous scaling is explained in terms of the initial acceleration and subsequent deceleration of the interface tips in the tracks coupled by mass conservation. A phenomenological model that reproduces the measured global and local exponents is introduced.

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