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A Large-Scale Model for Dissolution in Heterogeneous Porous Media

Abstract : Dissolution of pore-scale soluble substances occurs in applications from environmental hydrogeology to CO2 storage. Development of Darcy-scale models has been widely discussed. This paper proposes an upscaling algorithm to develop large-scale models taking into account Darcy-scale heterogeneities. The theory is based on a comparison between the characteristic length-scale of the Darcy-scale heterogeneities and the length-scale of the dissolution front controlled by a Darcy-scale Damkhler number. The obtained large-scale model is shown to confront favorably to Darcy-scale direct numerical simulations.
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https://hal.archives-ouvertes.fr/hal-01821254
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Submitted on : Friday, June 22, 2018 - 1:49:15 PM
Last modification on : Tuesday, June 23, 2020 - 2:54:56 PM
Long-term archiving on: : Tuesday, September 25, 2018 - 8:20:48 PM

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  • HAL Id : hal-01821254, version 1
  • OATAO : 20144

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Jianwei Guo, Farid Laouafa, Michel Quintard. A Large-Scale Model for Dissolution in Heterogeneous Porous Media. Computational Methods in Water Resources, Jun 2018, Saint-Malo, France. pp.0. ⟨hal-01821254⟩

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