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Proceedings of CHT-08 ICHMT International Symposium on Advances in Computational Heat Transfer
May, 11-16, 2008, Marrakesh, Morocco

DOI: 10.1615/ICHMT.2008.CHT


ISBN Print: 978-1-56700-253-9

ISSN: 2578-5486

A NUMERICAL INVESTIGATION OF INTERACTIONS OF PARTICLES WITH BENARD CELLS IN HORIZONTAL CHANNELS

page 11
DOI: 10.1615/ICHMT.2008.CHT.1560
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RÉSUMÉ

A numerical investigation of particle motions in a horizontal channel and interactions of these particles with Bénard cells resulting from the heating of the channel from the bottom is presented. A 3-D spectral-methods-based code is developed to solve the rotational form of incompressible Navier-Stokes equations with the energy equation and the small particle equation of motion in a two-way coupled manner. A new surface-force-based approach to coupling is introduced and the importance of two-way coupling is demonstrated. It has been observed that the interactions between particles and Bénard cells can lead to the transition of the cells from one periodicity length to another.

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