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Reactive transport upscaling at the Darcy scale: A new flow rate based approach raises the unsolved issue of porosity upscaling

Abstract : This article demaonstrates that permeability upscaling, which can require complex techniques, is not necessary to significantly decrease the CPU time in reactive transport modeling. CPU time depends more on the geochemistry than the flow calculation. Flow rate upscaling is proposed as an alternate method to permeability upscaling, which is more suited to time-consuming flow resolution. To apply this method, a finite volume approach is most convenient.
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Submitted on : Wednesday, April 4, 2012 - 10:16:10 AM
Last modification on : Thursday, January 14, 2021 - 5:34:46 PM

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Jérémy Nos, Vincent Lagneau, Valérie Langlais. Reactive transport upscaling at the Darcy scale: A new flow rate based approach raises the unsolved issue of porosity upscaling. Advances in Water Resources, Elsevier, 2011, 34, pp.1239-1248. ⟨10.1016/j.advwatres.2011.06.002⟩. ⟨hal-00685106⟩

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