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dc.contributor.authorSánchez Umbría, Juan
dc.contributor.authorGarcía González, Fernando
dc.contributor.authorNet Marcé, Marta
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Física
dc.date.accessioned2016-05-09T16:44:28Z
dc.date.available2016-08-16T00:30:32Z
dc.date.issued2016-02-15
dc.identifier.citationSanchez, J., Garcia, F., Net, M. Critical torsional modes of convection in rotating fluid spheres at high Taylor numbers. "Journal of fluid mechanics", 15 Febrer 2016, vol. 791, p. 1-11.
dc.identifier.issn0022-1120
dc.identifier.urihttp://hdl.handle.net/2117/86793
dc.description.abstractA numerical study of the onset of convection in rotating internally heated self-gravitating fluid spheres is presented. The exploration of the stability of the conduction state versus the Taylor and Prandtl numbers supplies a detailed idea of the laws that fulfil the four types of solutions obtained at low Prandtl numbers. The main result found is that axisymmetric (torsional) modes of convection are preferred at high Taylor numbers in the zero-Prandtl-number limit. This instability appears at low Rayleigh numbers and gives rise to an oscillating single vortex of very high frequency.
dc.format.extent11 p.
dc.language.isoeng
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Física
dc.subject.lcshConvection (Astrophysics)
dc.subject.otherbuoyancy-driven instability
dc.subject.otherconvection
dc.subject.otherrotating flows
dc.titleCritical torsional modes of convection in rotating fluid spheres at high Taylor numbers
dc.typeArticle
dc.subject.lemacConvecció (Física)
dc.contributor.groupUniversitat Politècnica de Catalunya. DF - Dinàmica No Lineal de Fluids
dc.identifier.doi10.1017/jfm.2016.52
dc.relation.publisherversionhttp://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=10191970&fileId=S0022112016000525
dc.rights.accessOpen Access
local.identifier.drac17419339
dc.description.versionPostprint (author's final draft)
local.citation.authorSanchez, J.; Garcia, F.; Net, M.
local.citation.publicationNameJournal of fluid mechanics
local.citation.volume791
local.citation.startingPage1
local.citation.endingPage11


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