Turbulent natural convection in a differentially heated cavity of aspect ratio 5 filled with non-participating and participating grey media

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To access the full text documents, please follow this link: http://hdl.handle.net/2117/14825

dc.contributor	Universitat Politècnica de Catalunya. Departament de Màquines i Motors Tèrmics
dc.contributor	Universitat Politècnica de Catalunya. CTTC - Centre Tecnològic de la Transferència de Calor
dc.contributor.author	Capdevila Paramio, Roser
dc.contributor.author	Lehmkuhl Barba, Oriol
dc.contributor.author	Trias Miquel, Francesc Xavier
dc.contributor.author	Pérez Segarra, Carlos David
dc.contributor.author	Colomer Rey, Guillem
dc.date	2011
dc.identifier.citation	Capdevila, R. [et al.]. Turbulent natural convection in a differentially heated cavity of aspect ratio 5 filled with non-participating and participating grey media. A: European Turbulence Conference. "Proceedings of the 13 European Turbulence Conference". Warsaw: 2011, p. 1-10.
dc.identifier.citation	10.1088/1742-6596/318/4/042048
dc.identifier.uri	http://hdl.handle.net/2117/14825
dc.language.iso	eng
dc.relation	http://iopscience.iop.org/1742-6596/318/4/042048/pdf/1742-6596_318_4_042048.pdf
dc.rights	info:eu-repo/semantics/openAccess
dc.subject	Àrees temàtiques de la UPC::Física::Termodinàmica::Física de la transmissió de la calor
dc.subject	Turbulent convective heat transfer
dc.subject	Fluid dynamics
dc.subject	Mathematical physics
dc.subject	Física matemàtica
dc.subject	Dinàmica de fluids
dc.subject	Turbulències
dc.title	Turbulent natural convection in a differentially heated cavity of aspect ratio 5 filled with non-participating and participating grey media
dc.type	info:eu-repo/semantics/publishedVersion
dc.type	info:eu-repo/semantics/conferenceObject
dc.description.abstract	In the present work, turbulent natural convection in a tall differentially heated cavity of aspect ratio 5:1, filled with air (Pr = 0.7) under a Rayleigh number based on the height of 4.5 centerdot 1010, is studied numerically. Two different situations have been analysed. In the first one, the cavity is filled with a transparent medium. In the second one, the cavity contains a grey participating gas. The turbulent flow is described by means of Large Eddy Simulation (LES) using symmetry-preserving discretizations. Simulations are compared with experimental data available in the literature and with Direct Numerical Simulations (DNS). Surface and gas radiation have been simulated using the Discrete Ordinates Method (DOM). The influence of radiation on fluid flow behaviour has also been analysed.
dc.description.abstract	Peer Reviewed

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