Natural Convection of Temperature-Sensitive Magnetic Fluids in Porous Media

Natural Convection of Temperature-Sensitive Magnetic Fluids in Porous Media

Year:    2011

Author:    Valentin Roussellet, Xiaodong Niu, Hiroshi Yamaguchi, Frédéric Magoulés

Advances in Applied Mathematics and Mechanics, Vol. 3 (2011), Iss. 1 : pp. 121–130

Abstract

In this article, natural convection of a temperature-sensitive magnetic fluid in a porous media is studied numerically by using lattice Boltzmann method. Results show that the heat transfer decreases when the ball numbers increase. When the magnetic field is increased, the heat transfer is enhanced; however, the average wall Nusselt number increases at small ball numbers but decreases at large ball numbers due to the induced flow being more likely confined near the bottom walls with a high number of obstacles.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/aamm.10-m1036

Advances in Applied Mathematics and Mechanics, Vol. 3 (2011), Iss. 1 : pp. 121–130

Published online:    2011-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    10

Keywords:    Temperature sensitive magnetic fluid natural convection porous media lattice Boltzmann method.

Author Details

Valentin Roussellet

Xiaodong Niu

Hiroshi Yamaguchi

Frédéric Magoulés

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