Mostra el registre d'ítem simple

dc.contributor.authorDias, Eduardo O.
dc.contributor.authorÁlvarez Lacalle, Enrique
dc.contributor.authorCarvalho, Marcio S.
dc.contributor.authorMiranda, José A.
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física Aplicada
dc.date.accessioned2012-10-17T16:00:33Z
dc.date.available2012-10-17T16:00:33Z
dc.date.created2012-10-05
dc.date.issued2012-10-05
dc.identifier.citationO Dias, E. [et al.]. Minimization of Viscous Fluid Fingering: A Variational Scheme for Optimal Flow Rates. "Physical review letters", 05 Octubre 2012, vol. 109, núm. 14, p. 144502-1-144502-5.
dc.identifier.issn0031-9007
dc.identifier.urihttp://hdl.handle.net/2117/16748
dc.description.abstractConventional viscous fingering flow in radial Hele-Shaw cells employs a constant injection rate, resulting in the emergence of branched interfacial shapes. The search for mechanisms to prevent the development of these bifurcated morphologies is relevant to a number of areas in science and technology. A challenging problem is how best to choose the pumping rate in order to restrain the growth of interfacial amplitudes. We use an analytical variational scheme to look for the precise functional form of such an optimal flow rate.We find it increases linearly with time in a specific manner so that interface disturbances are minimized. Experiments and nonlinear numerical simulations support the effectiveness of this particularly simple, but nontrivial, pattern controlling process.
dc.language.isoeng
dc.subjectÀrees temàtiques de la UPC::Enginyeria mecànica
dc.subjectÀrees temàtiques de la UPC::Física
dc.subject.lcshCells--chemistry
dc.titleMinimization of Viscous Fluid Fingering: A Variational Scheme for Optimal Flow Rates
dc.typeArticle
dc.subject.lemacCèl·lules
dc.contributor.groupUniversitat Politècnica de Catalunya. NOLIN - Física No-Lineal i Sistemes Fora de l'Equilibri
dc.identifier.doi10.1103/PhysRevLett.109.144502
dc.relation.publisherversionhttp://link.aps.org/doi/10.1103/PhysRevLett.109.144502
dc.rights.accessOpen Access
local.identifier.drac10977936
dc.description.versionPostprint (published version)
local.citation.authorO Dias, E.; Alvarez-Lacalle, E.; S Carvalho, M.; A Miranda, J.
local.citation.publicationNamePhysical review letters
local.citation.volume109
local.citation.number14
local.citation.startingPage144502-1
local.citation.endingPage144502-5


Fitxers d'aquest items

Thumbnail

Aquest ítem apareix a les col·leccions següents

Mostra el registre d'ítem simple