Nonlinear thermal instability in a horizontal porous layer with an internal heat source and mass flow

Matta, A and P A, Lakshmi Narayana and Hill, A A (2016) Nonlinear thermal instability in a horizontal porous layer with an internal heat source and mass flow. Acta Mechanica. pp. 1-9. ISSN 0001-5970 (In Press)

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Abstract

Linear and nonlinear stability analyses of Hadley–Prats flow in a horizontal fluid-saturated porous medium with a heat source are performed. The results indicate that, in the linear case, an increase in the horizontal thermal Rayleigh number is stabilizing for both positive and negative values of mass flow. In the nonlinear case, a destabilizing effect is identified at higher mass flow rates. An increase in the heat source has a destabilizing effect. Qualitative changes appear in R z as the mass flow moves from negative to positive for different internal heat sources.

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IITH Creators:
IITH CreatorsORCiD
P A, Lakshmi NarayanaUNSPECIFIED
Item Type: Article
Subjects: Others > Mechanics
Divisions: Department of Mathematics
Depositing User: Team Library
Date Deposited: 14 Mar 2016 06:12
Last Modified: 14 Mar 2016 06:15
URI: http://raiith.iith.ac.in/id/eprint/2235
Publisher URL: http://dx.doi.org/10.1007/s00707-016-1591-8
OA policy: http://www.sherpa.ac.uk/romeo/issn/0001-5970/
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