Soret instability in an anisotropic porous medium with temperature-dependent viscosity
Identifieur interne : 001F36 ( Main/Exploration ); précédent : 001F35; suivant : 001F37Soret instability in an anisotropic porous medium with temperature-dependent viscosity
Auteurs : Prabhamani R. Patil [Inde] ; Lalitha Subramanian [Inde]Source :
- Fluid Dynamics Research [ 0169-5983 ] ; 1992.
English descriptors
- Teeft :
- Anisotropic, Anisotropy, Anisotropy parameter, Anisotropy parameters, Brinkman, Brinkman model, Brinkman number, Convection, Convection currents, Convection pattern, Critical value, Darcy model, Denser particles, Density gradient, Dispersion relation, Dufour effect, Fluid mech, Horizontal isotropy, Instability, Mass diffusivities, Oscillatory, Oscillatory convection, Oscillatory convection sets, Patil, Physical properties, Porous media, Porous medium, Preferred mode, Salinity gradient, Series solution, Soret, Soret effect, Soret instability, Soret parameter, Stable system, Stationary, Stationary convection, Stationary pattern, Thermal convection, Thermal diffusion, Thermohaline convection, Thermosolutal convection, Thermosolutal fluids, Unstable setup, Variable viscosity, Viscosity, Viscosity variation.
Abstract
Abstract: The effect of temperature-dependent viscosity on thermohaline convection in a Bousinesq fluid saturating an anisotropic porous medium is investigated, taking into account the effect of the process of thermal diffusion which is a cross-diffusion phenomenon (Soret effect). The variation in viscosity has mixed results in the setting up of convection currents, either by delaying or advancing it. This depends on various significant factors, namely, (i) the mode by which convection is encouraged to set in, whether stationary or oscillatory, (ii) the magnitude of the Soret parameter and (iii) the anisotropy parameter of the Soret effect.
Url:
DOI: 10.1016/0169-5983(92)90017-Q
Affiliations:
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Le document en format XML
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<term>Brinkman</term>
<term>Brinkman model</term>
<term>Brinkman number</term>
<term>Convection</term>
<term>Convection currents</term>
<term>Convection pattern</term>
<term>Critical value</term>
<term>Darcy model</term>
<term>Denser particles</term>
<term>Density gradient</term>
<term>Dispersion relation</term>
<term>Dufour effect</term>
<term>Fluid mech</term>
<term>Horizontal isotropy</term>
<term>Instability</term>
<term>Mass diffusivities</term>
<term>Oscillatory</term>
<term>Oscillatory convection</term>
<term>Oscillatory convection sets</term>
<term>Patil</term>
<term>Physical properties</term>
<term>Porous media</term>
<term>Porous medium</term>
<term>Preferred mode</term>
<term>Salinity gradient</term>
<term>Series solution</term>
<term>Soret</term>
<term>Soret effect</term>
<term>Soret instability</term>
<term>Soret parameter</term>
<term>Stable system</term>
<term>Stationary</term>
<term>Stationary convection</term>
<term>Stationary pattern</term>
<term>Thermal convection</term>
<term>Thermal diffusion</term>
<term>Thermohaline convection</term>
<term>Thermosolutal convection</term>
<term>Thermosolutal fluids</term>
<term>Unstable setup</term>
<term>Variable viscosity</term>
<term>Viscosity</term>
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<front><div type="abstract" xml:lang="en">Abstract: The effect of temperature-dependent viscosity on thermohaline convection in a Bousinesq fluid saturating an anisotropic porous medium is investigated, taking into account the effect of the process of thermal diffusion which is a cross-diffusion phenomenon (Soret effect). The variation in viscosity has mixed results in the setting up of convection currents, either by delaying or advancing it. This depends on various significant factors, namely, (i) the mode by which convection is encouraged to set in, whether stationary or oscillatory, (ii) the magnitude of the Soret parameter and (iii) the anisotropy parameter of the Soret effect.</div>
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