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Plane potential flows simplify fluid motion by assuming the fluid to be irrotational and incompressible. These characteristics allow these flows to be described by a velocity potential function, ϕ, representing the flow speed in a given direction, and a stream function, ψ, that visualizes the flow path, both governed by Laplace's equation. These parameters help in estimating flow patterns, velocity distributions, and pressure fields around various hydraulic structures.
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Related Experiment Video

Updated: Mar 15, 2026

Microfluidic Devices for Characterizing Pore-scale Event Processes in Porous Media for Oil Recovery Applications
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Chemo-hydrodynamic patterns in porous media.

A De Wit1

  • 1Nonlinear Physical Chemistry Unit, Université Libre de Bruxelles, CP 231, 1050 Brussels, Belgium adewit@ulb.ac.be.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
|September 7, 2016
PubMed
Summary
This summary is machine-generated.

Chemical reactions and fluid flow create instabilities in porous media, altering chemical concentrations. This review covers viscous fingering, buoyancy-driven fingering, and dissolution patterns, with environmental implications.

Keywords:
CO2 mineralizationCO2 sequestrationfingeringoil recoverypollution decontamination

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Area of Science:

  • Geochemistry
  • Fluid Dynamics
  • Environmental Science

Background:

  • Chemical reactions and hydrodynamic flows can interact.
  • These interactions can lead to chemo-hydrodynamic instabilities.
  • Such instabilities impact how chemical concentrations change over time and space.

Purpose of the Study:

  • To review chemo-hydrodynamic instabilities in porous media flows.
  • To describe the influence of chemical reactions on various fingering phenomena and dissolution patterns.

Main Methods:

  • Literature review of chemo-hydrodynamic instabilities.
  • Analysis of chemical reaction effects on fluid flow patterns.
  • Discussion of implications for environmental systems.

Main Results:

  • Chemical reactions significantly influence viscous fingering.
  • Buoyancy-driven fingering in miscible systems is affected by reactions.
  • Convective dissolution and precipitation patterns are altered by chemo-hydrodynamic interactions.

Conclusions:

  • Chemo-hydrodynamic instabilities are crucial in porous media.
  • Understanding these instabilities is vital for environmental applications.
  • The interplay of chemistry and flow governs subsurface chemical transport.