Caractérisation d'un milieu poreux colmaté par la méthode du potentiel spontané
作者： Nasre-Dine Ahfir , Jean-Paul Dupont , Abderrahim Jardani , Huaquing Wang , Samira Taoudiat
DOI:
关键词: Permeability (earth sciences) 、 Constant flow 、 Chemical engineering 、 Materials science 、 Particle deposition 、 Porous medium 、 Porosity 、 Clogging 、 Hydrology 、 Suspended particles
摘要: Laboratory experiments are performed on the physical clogging of a porous medium by injecting polydispersive suspended particles in column filled with sand. The were injected at constant flow velocity. Hydrodynamic effects deposition and damage investigated. In this study, sensitivity self-potential (SP) method was tested to characterize filtration medium. Results showed that SP signal is sensitive clay particle their distribution space. confirmed behavior obtained hydraulic measurements. Mots-Clefs : milieux poreux, colmatage, retention, permeabilite, potentiel spontane. 21eme Congres Francais de Mecanique Bordeaux, 26 au 30 aout 2013
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