Advances in Porous Media

Preface. List of contributors. 1. Transport of Reactive Solutes in Soils (S.E.A.T.M. van der Zee, W.H. van Riemsdijk). Introduction. Basic formulation of transport. Transport in case of transient flow. Monocomponent reactive solute transport. Mechanistic models for diffusion, reaction and transport. Multicomponent transport modelling. Concluding remarks and future research needs. Appendix 1: The local equilibrium assumption (LEA). Appendix 2: Numerical dispersion intrinsic to the Molecular Approach in the absence of iteration between modules. Appendix 3: List of symbols. 2. Propagating and Stationary Patterns in Reaction-Tranport Systems: Generic Mechanisms, Spatial Geometries and Response to External Fields (P. Ortoleva, P. Foerster, J. Ross). Abstract. Introduction. Generic mechanisms of pattern formation. The geometry and dynamics of two and three spatial dimensional structures. Electrical response. Biological and geological systems. Conclusions. Acknowledgements. Appendix: List of symbols. References. 3. The Anion Exclusion Phenomenon in the Porous Media Flow: A Review (M.Y. Corapcioglu, R. Lingam). Abstract. Introduction. Origin of surface charge in soils. Theory of the diffused double layer. Factors affecting anion exclusion. Governing equations. Experimental application. Field applications. Summary and conclusion. Appendix 1: List of symbols. References. 4. Critical Concentration Models for Porous Materials (Qiang Chen, A. Nur). Abstract. Introduction. Dilute and non-dilute concentration models and solutions. Critical concentration models for porous materials. Substitution method and critical concentration solutions. Asymmetric self-consistent method and solutions for porous materials. Critical concentration model and solution for sand-clay sediments. Effective stress laws for fluid-saturated porous materials. Applications. Critical concentration strength theory of porous materials. Discussions and conclusions. Acknowledgements. Appendix. References. 5. Electrokinetic Flow Processes in Porous Media and their Applications (A.T. Yeung). Abstract. Introduction. Electrokinetic phenomena in clay. Electro-osmosis. Streaming potential. Electrophoresis. Migration or sedimentation potential. Geotechnical engineering applications of electrokinetic flow processes. Environmental engineering applications of electrokinetic flow processes. Theoretical analyses of electrokinetic flow processes in porous media. Applications of electrokinetics in other fields. Summary. Acknowledgements. Appendix 1: List of symbols. References. 6. Modelling Flow and Contaminant Transport in Fractured Media (B. Berkowitz). Introduction - background and motivation. Occurrence of fractures. Geometrical characteristics. Hydraulic characteristics. Equation development. Measurement techniques - data acquisition. Modelling approaches. Analytical and numerical solution techniques. State-of-the-art: summary and conclusions. References.Corapcioglu, M. Y. is the author of 'Advances in Porous Media' with ISBN 9780444817235 and ISBN 0444817239.