Diffusion in a fractal system (Journal article)
Makri, P.K.Romanos, G.Steriotis, T.Kanellopoulos, N.K.Mitropoulos, A.Ch.
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The surface geometry of Vycor porous glass was examined by using the relative permeability (P(R)) technique in a H2O/He system. At a water relative pressure of ~0.3, a maximum is observed on the P(R) curve. This maximum is explained in terms of geometrical changes taking place due to the deposition of a water film on the internal Vycor surface. When the sample is dry, diffusion in a fractal system is found to be more appropriate in describing the process. When the sample is wet, the diffusion process obeys classical Knudsen theory for smooth cylinders.
|Institution and School/Department of submitter:||Δεν υπάρχει πληροφορία|
|Keywords:||Fractals;Relative permeability;Vycor porous glass|
|Publisher:||Δεν υπάρχει πληροφορία|
|Appears in Collections:||ΑΡΘΡΑ-ΜΕΛΕΤΕΣ|
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