Comparing pore network modelling and an analytical flux averaging approach to determine the effective excess charge density for streaming potential generation in porous media

Damien Jougnot1, Aida Lorena Mendieta2, Philippe Gilles Leroy3 and Alexis Maineult2, (1)Sorbonne Universite, UMR 7619 METIS, Paris, France, (2)Sorbonne University, UMR 7619 METIS, Paris, France, (3)BRGM, Orléans, France