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Simulation of three dimensional double-diffusive throughflow in internally heated anisotropic porous media

Harfash, Akil J.; Hill, Antony A.

Authors

Akil J. Harfash



Abstract

A model for double-diffusive convection in an anisotropic porous layer with a constant throughflow is explored, with penetrative convection being simulated via an internal heat source. The validity of both the linear instability and global nonlinear energy stability thresholds are tested using three dimensional simulation. Our results show that the linear threshold accurately predicts on the onset of instability in the steady state throughflow. However, the required time to arrive at the steady state increases significantly as the Rayleigh number tends to the linear threshold. © 2014 Elsevier Ltd. All rights reserved.

Journal Article Type Article
Publication Date May 1, 2014
Journal International Journal of Heat and Mass Transfer
Print ISSN 0017-9310
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 72
Pages 609-615
APA6 Citation Harfash, A. J., & Hill, A. A. (2014). Simulation of three dimensional double-diffusive throughflow in internally heated anisotropic porous media. International Journal of Heat and Mass Transfer, 72, 609-615. https://doi.org/10.1016...asstransfer.2014.01.048
DOI https://doi.org/10.1016/j.ijheatmasstransfer.2014.01.048
Keywords double-diffusive convection, throughflow, internal heat source, finite differences, anisotropic porous media
Publisher URL http://dx.doi.org/10.1016/j.ijheatmasstransfer.2014.01.048
Additional Information Additional Information : This is the pre-peer reviewed version of an article published in International Journal of Heat and Mass Transfer. The final, published version can be viewed online: http://dx.doi.org/10.10...asstransfer.2014.01.048

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