Search Results - "Dentz, M."

Stochastic dynamics of intermittent pore‐scale particle motion in three‐dimensional porous media: Experiments and theory by Morales, V. L., Dentz, M., Willmann, M., Holzner, M.

“…We study the evolution of velocity in time, which fundamentally controls the way dissolved substances are transported and spread in porous media. Experiments…”
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Pore‐Scale Hydrodynamics in a Progressively Bioclogged Three‐Dimensional Porous Medium: 3‐D Particle Tracking Experiments and Stochastic Transport Modeling by Carrel, M., Morales, V. L., Dentz, M., Derlon, N., Morgenroth, E., Holzner, M.

“…Biofilms are ubiquitous bacterial communities that grow in various porous media including soils, trickling, and sand filters. In these environments, they play…”
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Subsurface Mixing Dynamics Across the Salt‐Freshwater Interface by De Vriendt, K., Le Borgne, T., Pool, M., Dentz, M.

“…Mixing along the salt‐freshwater interface is critical for geochemical reactions, transport, and transformation of nutrients and contaminants in coastal…”
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Heterogeneity‐Induced Mixing and Reaction Hot Spots Facilitate Karst Propagation in Coastal Aquifers by De Vriendt, K., Pool, M., Dentz, M.

“…The freshwater‐seawater mixing zone is a critical region for chemical activity. Yet little is known about the influence of ever present spatial heterogeneity…”
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Linking Structural and Transport Properties in Three‐Dimensional Fracture Networks by Hyman, J. D., Dentz, M., Hagberg, A., Kang, P. K.

“…We investigate large‐scale particle motion and solute breakthrough in sparse three‐dimensional discrete fracture networks characterized by power law…”
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Scale dependence of the hydraulic properties of a fractured aquifer estimated using transfer functions by Pedretti, D., Russian, A., Sanchez‐Vila, X., Dentz, M.

“…We present an investigation of the scale dependence of hydraulic parameters in fractured media based on the concept of transfer functions (TF). TF methods…”
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Probabilistic risk analysis of groundwater remediation strategies by Bolster, D, Barahona, M, Dentz, M, Fernandez-Garcia, D, Sanchez-Vila, X, Trinchero, P, Valhondo, C, Tartakovsky, D.M

“…Heterogeneity of subsurface environments and insufficient site characterization are some of the reasons why decisions about groundwater exploitation and…”
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Effective pore-scale dispersion upscaling with a correlated continuous time random walk approach by Le Borgne, T., Bolster, D., Dentz, M., de Anna, P., Tartakovsky, A.

“…We investigate the upscaling of dispersion from a pore‐scale analysis of Lagrangian velocities. A key challenge in the upscaling procedure is to relate the…”
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Coupling of mass transfer and reactive transport for nonlinear reactions in heterogeneous media by Willmann, M., Carrera, J., Sanchez-Vila, X., Silva, O., Dentz, M.

“…Fast chemical reactions are driven by mixing‐induced chemical disequilibrium. Mixing is poorly represented by the advection‐dispersion equation. Instead,…”
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Intermittent Lagrangian velocities and accelerations in three-dimensional porous medium flow by Holzner, M, Morales, V L, Willmann, M, Dentz, M

“…Intermittency of Lagrangian velocity and acceleration is a key to understanding transport in complex systems ranging from fluid turbulence to flow in porous…”
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Semianalytical Solution for CO2 Plume Shape and Pressure Evolution During CO2 Injection in Deep Saline Formations by VILARRASA, V, CARRERA, J, BOLSTER, D, DENTZ, M

“…The injection of supercritical carbon dioxide (CO2) in deep saline aquifers leads to the formation of a CO2 rich phase plume that tends to float over the…”
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Time evolution of mixing in heterogeneous porous media by de Dreuzy, J.-R., Carrera, J., Dentz, M., Le Borgne, T.

“…Mixing in heterogeneous media results from the competition between velocity fluctuations and local scale diffusion. Velocity fluctuations create a potential…”
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A general real-time formulation for multi-rate mass transfer problems by Silva, O., Carrera, J., Dentz, M., Kumar, S., Alcolea, A., Willmann, M.

“…Many flow and transport phenomena, ranging from delayed storage in pumping tests to tailing in river or aquifer tracer breakthrough curves or slow kinetics in…”
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Random walk particle tracking simulations of non-Fickian transport in heterogeneous media by Srinivasan, G., Tartakovsky, D.M., Dentz, M., Viswanathan, H., Berkowitz, B., Robinson, B.A.

“…Derivations of continuum nonlocal models of non-Fickian (anomalous) transport require assumptions that might limit their applicability. We present a…”
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Natural micro-scale heterogeneity induced solute and nanoparticle retardation in fractured crystalline rock by Huber, F., Enzmann, F., Wenka, A., Bouby, M., Dentz, M., Schäfer, T.

“…We studied tracer (Tritiated Water (HTO); Tritium replaces one of the stable hydrogen atoms in the H2O molecule) and nanoparticle (quantum dots (QD)) transport…”
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Temporal behavior of a solute cloud in a heterogeneous porous medium: 1. Point-like injection by Dentz, M., Kinzelbach, H., Attinger, S., Kinzelbach, W.

“…We investigate the temporal behavior of transport coefficients in a model for transport of a solute through a spatially heterogeneous saturated aquifer. In the…”
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Probability density functions for advective–reactive transport in radial flow by Broyda, S., Dentz, M., Tartakovsky, D. M.

“…We study transport of a reactive solute in a chemically heterogeneous porous medium whose chemical properties are uncertain. The dissolved substance undergoes…”
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Semianalytical Solution for $$\text{ CO}_{2}$$ Plume Shape and Pressure Evolution During $$\text{ CO}_{2}$$ Injection in Deep Saline Formations by Vilarrasa, V., Carrera, J., Bolster, D., Dentz, M.

“…The injection of supercritical carbon dioxide ( $\text{ CO}_{2})$ in deep saline aquifers leads to the formation of a $\text{ CO}_{2}$ rich phase plume that…”
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Asymptotic dispersion for two-dimensional highly heterogeneous permeability fields under temporally fluctuating flow by de Dreuzy, J.-R., Carrera, J., Dentz, M., Le Borgne, T.

“…Temporal fluctuations of water flux have been investigated as a mechanism that strongly enhances transverse dispersion in heterogeneous media. Unfortunately,…”
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Correction to "Vertical average for modeling seawater intrusion" by Pool, M., Carrera, J., Dentz, M., Hidalgo, J. J., Abarca, E.

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