Numerical analysis of the turbulent heat transfer at 2D in a solar chimney

Author(s): Samir Djimli, Abla Chaker*
Energy Physics Laboratory, Department of Physics, University Mentouri Constantine, Algeria
International Journal of Smart Grid and Clean Energy, vol. 4, no. 4, October 2015: pp. 305-310
ISSN: 2315-4462 (Print)
ISSN: 2373-3594 (Online)
Digital Object Identifier: 10.12720/sgce.4.4.305-310
 


Abstract: The main objective of this work is to make the numerical analysis of velocity fields and temperature (heat transfer) in a solar chimney with different numbers of Rayleigh. The problem is to study natural turbulent convection in a tow dimensionless system, with well-defined boundary conditions. The results obtained, for the different studied cases, are compared to show the influence of various parameters. Particular attention is paid to the velocity profiles and to horizontal and vertical temperature inside the chimney. The Fluent software was used.


Keywords: Solar chimney, heat transfer, numerical simulation

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