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Numerical simulation of Nusselt-Rayleigh correlation in Bénard cells. A solution based on the network simulation method

Manuel Cánovas (Mining, Geological and Cartographic Engineering Department, Technical University of Cartagena, Murcia, Spain)
Iván Alhama (Civil Engineering Department, Technical University of Cartagena, Murcia, Spain)
Emilio Trigueros (Mining, Geologic and Cartographic Engineering Department, Technical University of Cartagena, Murcia, Spain)
Francisco Alhama (Applied Physics Department, Technical University of Cartagena, Murcia, Spain)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Article publication date: 1 June 2015

248

Abstract

Purpose

Natural convection with heat transfer in porous media has been subject of extensive study in engineering due to its numerous applications. A case of particular interest is the Bénard-type flow.The paper aims to discuss this issue.

Design/methodology/approach

Based on the network simulation method in order to solve this problem, a numerical model is proposed.

Findings

Nusselt-Rayleigh correlation is determined for a broad range of Rayleigh, the dimensionless number that influences the solution, above and below the threshold which separates the conduction and convection pure mechanisms.

Originality/value

Based on the network simulation method.

Keywords

Citation

Cánovas, M., Alhama, I., Trigueros, E. and Alhama, F. (2015), "Numerical simulation of Nusselt-Rayleigh correlation in Bénard cells. A solution based on the network simulation method", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 25 No. 5, pp. 986-997. https://doi.org/10.1108/HFF-09-2014-0282

Publisher

:

Emerald Group Publishing Limited

Copyright © 2015, Emerald Group Publishing Limited

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