Abstract
Porous horizontal layers are considered. A class of non-constant porous throughflows, 2D in vertical planes, is obtained. The global stability conditions and the “cold convection instability” conditions are investigated.
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Notes
The seepage (or filtration) velocity is the mean value of the effective fluid velocity in a pore. It is defined as \(\mathbf {v}=\varepsilon \bar{\mathbf {v}}\) where \(\varepsilon =\displaystyle \frac{\text{ empty } \text{ volume }}{\text{ total } \text{ volume }}\in [0,1]\) is the porosity and \(\bar{\mathbf {v}}\) is the effective fluid velocity.
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This paper has been performed under the auspices of the G.N.F.M. of I.N.d.A.M.
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Communicated by Salvatore Rionero.
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De Luca, R. Global nonlinear stability and “cold convection instability” of non-constant porous throughflows, 2D in vertical planes. Ricerche mat. 64, 99–113 (2015). https://doi.org/10.1007/s11587-014-0219-3
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DOI: https://doi.org/10.1007/s11587-014-0219-3