Une étude expérimentale de l'injection de fluides d'Herschel-Bulkley en milieu poreux

Xavier Clain 1
1 Rhéophysique
NAVIER UMR 8205 - Laboratoire Navier
Abstract : The flow of a non-newtonian fluid through a porous medium is a matter of importance in several industrial applications whose difficulty arises from both the complex geometry of the porous medium and the non-linear behaviour of the complex fluids. In this thesis we investigate the flow of Herschel-Bulkley fluids via a mainly experimental approach and aim to set a generalized law for this particular type of complex fluid in porous medium.Our experimental set-up allows us to perform systematic trials of injection in model porous media whose we can control geometrical parameters. We show that a threshold pressure gradient, proportional to the yield stress and inversely proportional to the particles mean diameter has to be systematically surpassed to make the fluid flow through the porous medium. We also investigate the possibility, thanks to a resizing, to gather all the experimental data on a master curve representative of a generalized law
Document type :
Autre. Université Paris-Est, 2010. Français. 〈NNT : 2010PEST1054〉
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Xavier Clain. Une étude expérimentale de l'injection de fluides d'Herschel-Bulkley en milieu poreux. Autre. Université Paris-Est, 2010. Français. 〈NNT : 2010PEST1054〉. 〈tel-00582324〉



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