| Issue |
MATEC Web Conf.
Volume 307, 2020
International Conference on Materials & Energy (ICOME’17 and ICOME’18)
|
|
|---|---|---|
| Article Number | 01004 | |
| Number of page(s) | 5 | |
| DOI | https://doi.org/10.1051/matecconf/202030701004 | |
| Published online | 10 February 2020 | |
Effect of Inclination and of Darcy Number on Bifurcations and Thermal Transfer in a Square Porous Cavity
1 Laboratory of Polyphasic Transport and in Porous Media.LTPMP. USTHB. Algerie
2 Laboratory of Mathematical and of Physical System, Group of Mechanics LAMPS, Via Domitia, Perpignan
* Corresponding author Email: mesadz@yahoo.fr
In the present work a numerical study of natural convection in air in a square cavity filled with a porous media, was carried out in order to analyze the effects of the inclination angle and the Darcy number on the roads toward the chaos. The horizontal wall of the cavity is adiabatic while the vertical walls, composed of two part of the same size, are maintained at different temperatures. The dimensionless transfer equations, expressed in terms of stream function and vorticity had been solved using the Alternating Direction Implicit Method (ADI) and the GAUSS elimination method. The different bifurcations had been represented by attractor in phase space and by amplitude spectrum. We have noticed that for an inclination angle equal to 30°, the scenario of the roads towards the chaos is in agreement with the one of Feigen Baum. For the inclination angle equal to 60°, the scenario is that of Ruelle and Takens which is by quasi periodicity.
© The Authors, published by EDP Sciences, 2020
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