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Title:Boundary domain integral method for the study of double diffusive natural convection in porous media
Authors:Kramer Stajnko, Janja (Author)
Jecl, Renata (Author)
Škerget, Leopold (Author)
Files:URL http://dx.doi.org/10.1016/j.enganabound.2007.04.001
 
Language:English
Work type:Unknown ()
Typology:1.01 - Original Scientific Article
Organization:FGPA - Faculty of Civil Engineering, Transportation Engineering and Architecture
Abstract:The main purpose of this paper is to present a boundary domain integral method(BDIM) for the solution of natural convection in porous media driven by combining thermal and solutal buoyancy forces. The Brinkman extension of the classical Darcy equation is used for the momentum conservation equation. The numerical scheme was tested on a natural convection problem within a square porous cavity, where different temperature and concentration values are applied on the vertical walls, while the horizontal walls are adiabatic and impermeable. The results for different governing parameters (Rayleigh number, Darcy number, buoyancy ratio and Lewis number) are presented and compared withpublished work. There is a good agreement between those results obtained using the presented numerical scheme and reported studies using other numerical methods.
Keywords:double diffusive natural convection, porous medium, velocity-vorticity formulation, Brinkman extended Darcy formulation, boundary domain integrated method
Year of publishing:2007
UDC:536.25+532.7:519.61/.64
ISSN on article:0955-7997
COBISS_ID:11816982 Link is opened in a new window
NUK URN:URN:SI:UM:DK:1RCQ1SHN
Views:1121
Downloads:57
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Categories:Misc.
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Record is a part of a journal

Title:Engineering analysis with boundary elements
Shortened title:Eng. anal. bound. elem.
Publisher:Elsevier
ISSN:0955-7997
COBISS.SI-ID:5605380 New window

Secondary language

Language:English
Keywords:naravana konvekcija, porozni medij, hitrostno vrtinčna formulacija, Brinkman Darcy formulacija, robno območna integralska metoda


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