Immersed boundary solution of natural convection in a square cavity with an enclosed rosette-shaped hot cylinder

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DOIResolve DOI: http://doi.org/10.1080/10407782.2013.857880
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TypeArticle
Journal titleNumerical Heat Transfer; Part A: Applications
ISSN1521-0634
Volume65
Issue12
Pages11541175; # of pages: 22
SubjectNatural convection; Heat transfer and fluid flow; Immersed boundary; Natural convection flow; Numerical solution; Rayleigh number; Recirculation cells; Square enclosures; Transient solutions; Cylinders (shapes)
AbstractNumerical solutions are shown for the natural convection flow inside a cold square enclosure with a hot rosette-shaped cylinder inside. Solutions are obtained using an immersed-boundary finite element method. The study investigates the effect of the rosette-shape factor on the heat transfer and fluid flow for Rayleigh numbers between 103 and 107. Results indicate the formation of recirculation cells of number, size, and location depending strongly on the shape of the cylinder and on the Rayleigh number. All solutions reach a steady state, except when the rosette-shape factor is 0.6 at Ra = 106, for which a periodic transient solution is obtained. © 2014 Taylor and Francis Group, LLC.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Automotive (AUTO-AUTO)
Peer reviewedYes
NPARC number21272272
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Record identifierabf2e016-ae71-46c1-845c-29325fa955df
Record created2014-07-23
Record modified2016-05-09
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