22–25 May 2023
Europe/London timezone

Modeling and simulation of reactive two mineral systems

25 May 2023, 10:45
1h 30m
Poster Presentation (MS09) Pore-scale modelling Poster

Speaker

Nadja Ray

Description

We set up a pore-scale model for reactive flow and transport in an evolving porous medium. We take into account dissolution/precipitation reactions of two competing minerals. The resulting space and time-dependent structural dynamics are included into the model by means of a level-set formulation.

We derive the corresponding effective model by formal two-scale
asymptotic expansion. This includes dynamically changing time- and space-dependent ‘effective’ hydrodynamic parameters such as porosity, reactive surface, diffusion, and permeability.

We present numerical simulations with application to dissolution of calcite and dolomite of the pore-scale as well as of the effective model.

References

Gärttner S., Frolkovič P., Knabner P., Ray N.:
Efficiency of micro-macro models for reactive two-mineral systems
Multiscale Modeling & Simulation 20
2022

DOI: 10.1137/20M1380648

Participation In-Person
Country Germany
MDPI Energies Student Poster Award No, do not submit my presenation for the student posters award.
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Primary authors

Stephan Gärttner Peter Frolkovic Peter Knabner Nadja Ray

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