A thermodiffusion cell is used in order to perform Soret experiments on binary mixtures at high pressure and in the presence of a porous medium. The cell is validated at atmospheric pressure with toluene/hexane and the tetrahydronaphthalene/dodecane mixtures. The mass separation follows a diffusive behaviour when the cell is filled with a porous medium. At least three times the relaxation time is needed to have a good estimation of the Soret coefficients. From the transient state of the mass separation and using accepted values of the diffusion coefficient, the tortuosity of the porous medium was evaluated, too. Finally, experiments at high pressure were performed with the tetrahydronaphthalene/dodecane system. In these experiments, decreases of the Soret coefficient and of the tortuosity of the porous medium were measured as a function of the pressure.
Cédric Giraudet 1; Fabrizio Croccolo 2; Guillaume Galliero 1; Gilles Pijaudier-Cabot 1; Stefan Van Vaerenbergh 3; M. Ziad Saghir 4; François Montel 5; Henri Bataller 1
@article{CRMECA_2013__341_4-5_340_0, author = {C\'edric Giraudet and Fabrizio Croccolo and Guillaume Galliero and Gilles Pijaudier-Cabot and Stefan Van Vaerenbergh and M. Ziad Saghir and Fran\c{c}ois Montel and Henri Bataller}, title = {Thermodiffusion of the tetrahydronaphthalene and dodecane mixture under high pressure and in porous medium}, journal = {Comptes Rendus. M\'ecanique}, pages = {340--347}, publisher = {Elsevier}, volume = {341}, number = {4-5}, year = {2013}, doi = {10.1016/j.crme.2013.01.007}, language = {en}, }
TY - JOUR AU - Cédric Giraudet AU - Fabrizio Croccolo AU - Guillaume Galliero AU - Gilles Pijaudier-Cabot AU - Stefan Van Vaerenbergh AU - M. Ziad Saghir AU - François Montel AU - Henri Bataller TI - Thermodiffusion of the tetrahydronaphthalene and dodecane mixture under high pressure and in porous medium JO - Comptes Rendus. Mécanique PY - 2013 SP - 340 EP - 347 VL - 341 IS - 4-5 PB - Elsevier DO - 10.1016/j.crme.2013.01.007 LA - en ID - CRMECA_2013__341_4-5_340_0 ER -
%0 Journal Article %A Cédric Giraudet %A Fabrizio Croccolo %A Guillaume Galliero %A Gilles Pijaudier-Cabot %A Stefan Van Vaerenbergh %A M. Ziad Saghir %A François Montel %A Henri Bataller %T Thermodiffusion of the tetrahydronaphthalene and dodecane mixture under high pressure and in porous medium %J Comptes Rendus. Mécanique %D 2013 %P 340-347 %V 341 %N 4-5 %I Elsevier %R 10.1016/j.crme.2013.01.007 %G en %F CRMECA_2013__341_4-5_340_0
Cédric Giraudet; Fabrizio Croccolo; Guillaume Galliero; Gilles Pijaudier-Cabot; Stefan Van Vaerenbergh; M. Ziad Saghir; François Montel; Henri Bataller. Thermodiffusion of the tetrahydronaphthalene and dodecane mixture under high pressure and in porous medium. Comptes Rendus. Mécanique, 10th International Meeting on Thermodiffusion, Volume 341 (2013) no. 4-5, pp. 340-347. doi : 10.1016/j.crme.2013.01.007. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2013.01.007/
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