Fourier-Bessel Series Algorithm in Fractal Diffusion Model for Porous Material
2008
Fourier trigonometric series algorithm used in Fick's diffusion law is extended to Fourier-Bessel algorithm in a fractal diffusion model for porous materials.It is applied to chemical engineering for computation of concentration distribution and relative adsorption.The fractal diffusion model introduces structure parameters d_f and θ. Concentration distribution and relative adsorption calculated by fractal diffusion model are qualitatively consistent with those by Fick's diffusion law. d_f and θ exhibit different effects on concentration distribution of porous materials,and describe diffusion in porous materials well.
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