NDLI: Condition of the onset and nonlinear regimes of convection of a three-component isothermal mixture in a porous rectangle under modulation of the concentration gradient

Content Provider	Springer Nature Link
Author	Bulgakova, N. S.
Copyright Year	2012
Abstract	Convection of an isothermal three-component mixture saturating a porous block with a rectangular cross-section is investigated numerically when the concentration gradient of one of the components is modulated about a certain mean value. The shape of the neutral curves separating the growing and decaying disturbances in the amplitude-modulation frequency plane is investigated for various diffusion Rayleigh numbers. The results of calculations based on the linearized and complete systems of equations which describe convection of a mixture in a porous medium are analyzed and compared. The supercritical regimes of concentration convection are studied for steady-state boundary conditions and in the case of a periodic modulation of the concentration gradient of one of the components.
Starting Page	608
Ending Page	619
Page Count	12
File Format	PDF
ISSN	00154628
Journal	Fluid Dynamics
Volume Number	47
Issue Number	5
e-ISSN	15738507
Language	English
Publisher	SP MAIK Nauka/Interperiodica
Publisher Date	2012-10-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	three-component mixture convective stability concentration gradient modulation porous medium nonlinear convection regimes Engineering Fluid Dynamics Mechanics Fluid- and Aerodynamics Classical Continuum Physics
Content Type	Text
Resource Type	Article
Subject	Fluid Flow and Transfer Processes Physics and Astronomy Mechanical Engineering

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