Multiphase CFD modeling of front propagation in a Hele-Shaw cell featuring a localized constriction

Jonatan Mac Intyre, Antti Puisto, Marko Korhonen, Mikko Alava, Jordi Ortín

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1 Citation (Scopus)
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We study a liquid-gas front propagation in a modulated Hele-Shaw cell by means of multiphase computational fluid mechanics based on the three-dimensional Navier-Stokes equations. In the simulations an obstacle that partially fills the gap is placed at the center of the cell, and the liquid-gas interface is driven at a constant velocity. We study the morphological differences between imbibition and drainage for a wide range of capillary numbers, and explore how the wetting properties of the constriction affect the amount of liquid that remains trapped in the draining process. We observe increasing remaining volumes with increasing capillary number and decreasing contact angle. The present CFD implementation for a single mesa defect provides insight into a wide number of practical applications.
Original languageEnglish
Article number084305
Number of pages14
JournalPhysical Review Fluids
Issue number8
Publication statusPublished - 17 Aug 2021
MoE publication typeA1 Journal article-refereed


  • Multiphase flows
  • Displacement of immiscible fluids
  • Flows in porous media


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