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Natural convection in porous media under cross temperature and concentration gradients with boundary element methodKramer Stajnko, Janja ; Jecl, Renata ; Škerget, LeopoldDouble-diffusive natural convection in a horizontal enclosure is studied numer- ically with the use of Boundary Element Method. The enclosure is heated and cooled along vertical walls, while ... horizontal walls are maintained at different con- centration values. The Brinkman model is used to simulate the fluid flow through porous media, the density variation is taken into account by the Boussinesq approx- imation. The governing parameters of the problem are the Darcy number, porous Rayleigh number, Lewis number and buoyancy coefficient. Different flow regimes for thermal and solutal dominated flows are demonstrated for different values of governing parameters. The results are compared to those in published studies, obtained with other approximative methods.Source: Boundary elements and other mesh reduction methods XXX (Str. 65-72)Type of material - conference contributionPublish date - 2008Language - englishCOBISS.SI-ID - 12396054
Author
Kramer Stajnko, Janja |
Jecl, Renata |
Škerget, Leopold
Topics
naravna konvekcija |
dvojna difuzija |
porozni medij |
vodoravni porozni sloj |
metoda robnih elementov |
Brinkmanov model |
natural convection |
double diffusion |
porous medium |
horizontal porous layer |
boundary element method |
Brinkman model
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Kramer Stajnko, Janja | 24347 |
Jecl, Renata | 11343 |
Škerget, Leopold | 06428 |
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and: SICRIS
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