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Article Dans Une Revue Physical Review Letters Année : 2023

Clogging of a Rectangular Slit by a Spherical Soft Particle

Résumé

The capture of a soft spherical particle in a rectangular slit leads to a nonmonotonic pressure-flow rate relation at low Reynolds number. Simulations reveal that the flow induced deformations of the trapped particle focus the streamlines and pressure drop to a small region. This increases the resistance to flow by several orders of magnitude as the driving pressure is increased. As a result, two regimes are observed in experiments and simulations: a flow-dominated regime for small particle deformations, where flow rate increases with pressure, and an elastic-dominated regime in which solid deformations block the flow.
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pasteur-03992070 , version 1 (16-02-2023)

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Copyright (Tous droits réservés)

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Charles Paul Moore, Julien Husson, Arezki Boudaoud, Gabriel Amselem, Charles Baroud. Clogging of a Rectangular Slit by a Spherical Soft Particle. Physical Review Letters, 2023, 130 (6), pp.064001. ⟨10.1103/PhysRevLett.130.064001⟩. ⟨pasteur-03992070⟩
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