Abstract:
A numerical study of the cooling of a water-saturated porous medium in a cylindrical heat-insulated vessel with a vertical cooling element is performed. The effect of convective heat transfer on the cooling a porous medium saturated with water is carried out, taking into account the density inversion at various values of the porous medium permeability. It is shown that the effect of a maximum water density during the convective motion of water in porous media in the vicinity of zero temperature should be taken into account. The presence of a maximum water density in highly permeable soils restructures the flow and reduces the convective transfer rate, which slows down the cooling of the system.
Keywords:
porous medium, free convection, water density maximum.
Citation:
O. A. Simonov, L. N. Filimonova, “Influence of a water density maximum on the cooling of a water-saturated porous medium”, Prikl. Mekh. Tekh. Fiz., 62:4 (2021), 68–79; J. Appl. Mech. Tech. Phys., 62:4 (2021), 583–592
\Bibitem{SimFil21}
\by O.~A.~Simonov, L.~N.~Filimonova
\paper Influence of a water density maximum on the cooling of a water-saturated porous medium
\jour Prikl. Mekh. Tekh. Fiz.
\yr 2021
\vol 62
\issue 4
\pages 68--79
\mathnet{http://mi.mathnet.ru/pmtf130}
\crossref{https://doi.org/10.15372/PMTF20210407}
\elib{https://elibrary.ru/item.asp?id=46447993}
\transl
\jour J. Appl. Mech. Tech. Phys.
\yr 2021
\vol 62
\issue 4
\pages 583--592
\crossref{https://doi.org/10.1134/S0021894421040076}
Linking options:
https://www.mathnet.ru/eng/pmtf130
https://www.mathnet.ru/eng/pmtf/v62/i4/p68
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