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Volume-9,Issue-4  ( Oct, 2021 )
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Paper Title :
Intermittent Diffusion In The Modified Stefan Cell

Author :S.Yu. Spotar

Article Citation :S.Yu. Spotar , (2016 ) " Intermittent Diffusion In The Modified Stefan Cell " , International Journal of Advances in Science, Engineering and Technology(IJASEAT) , pp. 61-64, Volume-4,Issue-2

Abstract : A modification of the Stefan cell apparatus for the measurements of gaseous diffusion coefficients based on a continuous weighting of the amount of the evaporated solvent throughout an assembly of a capillary tubes has been developed and tested. The main result of the upgraded setup is the substantial shortening of the time interval required for obtaining reliable data needed for diffusion coefficient calculation. Details and particulars of the diffusion process in the setup are presented and discussed. Hereafter the modified Stefan cell has been used for experimental study of unsteady diffusion in case of evaporation of acetone. The relevant numerical model of the specified transient process has been implemented and used for the explanation of the experimental results. Keywords— Stefan Cell, Solvent Evaporation, Unsteady Diffusion, COMSOL Multiphysics, Numerical Modelling.

Type : Research paper

Published : Volume-4,Issue-2


DOIONLINE NO - IJASEAT-IRAJ-DOIONLINE-4473   View Here

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