Diffusion Process and Reaction on a Surface

M. E. K. Fuziki, M. K. Lenzi, M. A. Ribeiro, A. Novatski and E. K. Lenzi

Advances in Mathematical Physics, 2018, vol. 2018, issue 1

Abstract: We investigate the influence of the surface effects on a diffusive process by considering that the particles may be sorbed or desorbed or undergo a reaction process on the surface with the production of a different substance. Our analysis considers a semi‐infinite medium, where the particles may diffuse in contact with a surface with active sites. For the surface effects, we consider integrodifferential boundary conditions coupled with a kinetic equation which takes non‐Debye relation process into account, allowing the analysis of a broad class of processes. We also consider the presence of the fractional derivatives in the bulk equations. In this scenario, we obtain solutions for the particles in the bulk and on the surface.

Date: 2018
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https://doi.org/10.1155/2018/6162043

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnlamp:v:2018:y:2018:i:1:n:6162043

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