Study of spiral pattern formation in Rayleigh-Benard convection

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dc.creatorXi, Hao-wen
dc.creatorGunton, J. D.
dc.creatorVinals, Jorge
dc.date1992-09-11
dc.date1992-09-14
dc.date.accessioned2026-07-07T12:21:37Z
dc.date.available2026-07-07T12:21:37Z
dc.descriptionWe present a numerical study of a generalized two-dimensional Swift-Hohenberg model of spiral pattern formation in Rayleigh-Bénard convection in a non-Boussinesq fluid. We demonstrate for the first time that a model for convective motion is able to predict in considerable dynamical detail the spontaneous formation of a rotating spiral state from an ordered hexagon state. Our results are in good agreement with recent experimental studies of $CO_{2}$ gas. The mean flow and non-Boussinesq effects are shown to be crucial in forming rotating spirals.
dc.description9 pages, 6 Figures (Postscript, appended)
dc.identifierhttps://arxiv.org/abs/cond-mat/9209010
dc.identifierhttp://arxiv.org/abs/cond-mat/9209010
dc.identifierPhys.Rev.E47:2987,1993
dc.identifierdoi:10.1103/PhysRevE.47.R2987
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/213395
dc.subjectCondensed Matter
dc.titleStudy of spiral pattern formation in Rayleigh-Benard convection
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