On the separate treatment of mixing and spreading by the reactive-particle-tracking algorithm: An example of accurate upscaling of reactive Poiseuille flow

•Accurate upscaling of reactive transport Poiseuille flow with Reactive Particle Tracking (RPT) model.•RPT model separately simulates mixing with local molecular diffusion and spreading by Taylor macro-dispersion.•Comparison to two semi-analytic upscaling techniques: Volume-averaging and Ensemble St...

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Bibliographic Details
Published in:Advances in water resources 2019-01, Vol.123, p.40-53
Main Authors: Benson, David A., Pankavich, Stephen, Bolster, Diogo
Format: Article
Language:English
Subjects:
Advection
Advection-diffusion-reaction equation
Algorithms
Atoms & subatomic particles
Computational fluid dynamics
Computer simulation
Diffusion
Diffusion coefficient
Diffusion rate
Diffusion-reaction equation
diffusivity
dispersibility
Dispersion
Dye dispersion
equations
Fluids
Laminar flow
Mass transfer
Mathematical analysis
Mathematical models
mixing
Molecular diffusion
Numerical methods
Organic chemistry
Particle mass
Particle methods
Random walk
Solutes
Spreading
Tensors
thermodynamics
Tracking
Two dimensional models
Velocity
Water resources
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