Diffusion models of multicomponent mixtures in the lung*

Boudin, L., Götz, D., and Grec, B.. Bresch, D., et al, eds. " Diffusion models of multicomponent mixtures in the lung*." ESAIM: Proceedings 30 (2010): 90-103. <http://eudml.org/doc/251263>.

@article{Boudin2010,
abstract = {In this work, we are interested in two different diffusion models for multicomponent mixtures. We numerically recover experimental results underlining the inadequacy of the usual Fick diffusion model, and the importance of using the Maxwell-Stefan model in various situations. This model nonlinearly couples the mole fractions and the fluxes of each component of the mixture. We then consider a subregion of the lower part of the lung, in which we compare the two different models. We first recover the fact that the Fick model is enough to model usual air breathing. In the case of chronic obstructive bronchopneumopathies, a mixture of helium and oxygen is often used to improve a patient’s situation. The Maxwell-Stefan model is then necessary to recover the experimental behaviour, and to observe the benefit for the patient, namely an oxygen peak.},
author = {Boudin, L., Götz, D., Grec, B.},
editor = {Bresch, D., Calvez, V., Grenier, E., Vigneaux, P., Gerbeau, J-F.},
journal = {ESAIM: Proceedings},
language = {eng},
month = {12},
pages = {90-103},
publisher = {EDP Sciences},
title = { Diffusion models of multicomponent mixtures in the lung*},
url = {http://eudml.org/doc/251263},
volume = {30},
year = {2010},
}

TY - JOUR
AU - Boudin, L.
AU - Götz, D.
AU - Grec, B.
AU - Bresch, D.
AU - Calvez, V.
AU - Grenier, E.
AU - Vigneaux, P.
AU - Gerbeau, J-F.
TI - Diffusion models of multicomponent mixtures in the lung*
JO - ESAIM: Proceedings
DA - 2010/12//
PB - EDP Sciences
VL - 30
SP - 90
EP - 103
AB - In this work, we are interested in two different diffusion models for multicomponent mixtures. We numerically recover experimental results underlining the inadequacy of the usual Fick diffusion model, and the importance of using the Maxwell-Stefan model in various situations. This model nonlinearly couples the mole fractions and the fluxes of each component of the mixture. We then consider a subregion of the lower part of the lung, in which we compare the two different models. We first recover the fact that the Fick model is enough to model usual air breathing. In the case of chronic obstructive bronchopneumopathies, a mixture of helium and oxygen is often used to improve a patient’s situation. The Maxwell-Stefan model is then necessary to recover the experimental behaviour, and to observe the benefit for the patient, namely an oxygen peak.
LA - eng
UR - http://eudml.org/doc/251263
ER -