Numerical simulation of steady-state and transient natural convection in an isothermal open cubic cavity

J. F. Hinojosa, J. Cervantes De Gortari

Resultado de la investigación: Contribución a una revistaArtículorevisión exhaustiva

25 Citas (Scopus)

Resumen

In this work the numeric results, of the steadystate and transient heat transfer by natural convection in a horizontal isothermal open cubic cavity are presented. The most important assumptions in the mathematical formulation are two, the flow is laminar and the Boussinesq approximation is valid. The conservation equations in primitive variables are solved using the finite volume method and the SIMPLEC algorithm. The advective terms are approximated by the SMART scheme and the diffusive terms are approximated using the central differencing scheme. The results are obtained for a Rayleigh number range from 104 to 107.The numerical model predicted flow instabilities and Nusselt number oscillations for high Rayleigh numbers. © Springer-Verlag 2010.
Idioma originalInglés estadounidense
Páginas (desde-hasta)595-606
Número de páginas12
PublicaciónHeat and Mass Transfer/Waerme- und Stoffuebertragung
DOI
EstadoPublicada - 1 jun 2010

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