La Houille Blanche
Number 8, Décembre 1998
|Page(s)||17 - 22|
|Published online||01 August 2009|
Modélisation d'écoulements pulsés de fluides diphasiques en conduites viscoélastiques
Two-fluid pulsatile flows modelisation through viscoelastic ducts
Groupe de Mécanique des Fluides et des Structures, Laboratoire de Mécanique, Faculté des Sciences de Rabat
The present work deals with a two-fluid model for blood through defomzable tubes of small diameter. This two-fluid model consists of a core (suspension of red cells) and peripheral red cell free plasma layer. The core has been considered as ostwaldian fluid and the plasma layer as a newtonian fluid. Using an implicit difference method to resolve the equations governing such flows, we determine the axial velocity profiles. This study, considered as a step in modelling of flow in blood vessels, may also contribute to other important fields such as water desalination or gel filtration.
© Société Hydrotechnique de France, 1998
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