Geodesic
Isothermal mass exchange in inhomogeneous porous adsorbent granules with a sequential macroand microdiffusion transfer mechanism
Journal of computational and engineering mathematics, Tome 8 (2021) no. 1, pp. 68-73.

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In the 1-D format, the problem of nonstationary isothermal local distribution of a diffusing single-species substance in successively located axisymmetric spherical regions of a granule with different permeabilities of macro- and micropores is formulated. The initial-boundary value problem for a system of differential equations of parabolic type with a boundary condition of the first kind on the outer boundary of a granule and of the fourth kind on the boundary of conjugation of the domains is integrated numerically. A computational experiment has demonstrated the influence of the regions permeability and the dislocation of the boundary between them on the kinetics of material transport.
Keywords: mass transfer, adsorbent granules, heterogeneity, diffusion. 
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     author = {A. V. Ryazhskikh and A. V. Keller and A. V. Khorvat and A. S. Vikulin and V. I. Rjazhskih},
     title = {Isothermal mass exchange in inhomogeneous porous adsorbent granules with a sequential macroand microdiffusion transfer mechanism},
     journal = {Journal of computational and engineering mathematics},
     pages = {68--73},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {2021},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JCEM_2021_8_1_a5/}
}
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A. V. Ryazhskikh; A. V. Keller; A. V. Khorvat; A. S. Vikulin; V. I. Rjazhskih. Isothermal mass exchange in inhomogeneous porous adsorbent granules with a sequential macroand microdiffusion transfer mechanism. Journal of computational and engineering mathematics, Tome 8 (2021) no. 1, pp. 68-73. http://geodesic.mathdoc.fr/item/JCEM_2021_8_1_a5/