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Interaction regimes of a vortex ring and an inertial particle.

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Title: Interaction regimes of a vortex ring and an inertial particle.
Authors: de Aquino, Guilherme Siqueira1 (AUTHOR), Viroulet, Sylvain1 (AUTHOR) sylvain.viroulet@imft.fr, Sasso, Nicolas1 (AUTHOR), Albagnac, Julie1 (AUTHOR)
Source: Journal of Fluid Mechanics. 12/10/2025, Vol. 1024, p1-28. 28p.
Subjects: Vortex tubes, Particle motion, Dimensionless numbers, Empirical research, Numerical analysis
Abstract: The interaction between a coherent vortex ring and an inertial particle is studied through a combination of experimental and numerical methods. The vortex ring is chosen as a model flow ubiquitous in various geophysical and industrial flows. A detailed description of the vortex properties together with the evolution of the particle kinematics during the interaction is addressed thanks to time-resolved particle image velocimetry and three-dimensional shadowgraphy visualisations. Complementary, direct numerical simulations are realised with a one-way coupling model for the particle, allowing for the identification of the elementary forces responsible for the interaction behaviours. The experimental and numerical results unequivocally demonstrate the existence of three distinct interaction regimes in the parameter range of the present study: simple deviation, strong deviation and capture. These regimes are delineated as functions of key controlled dimensionless parameters, namely, the Stokes number and the initial radial position of the particle relative to the vortex ring axis of propagation. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Fluid Mechanics is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 190467871
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Interaction regimes of a vortex ring and an inertial particle.
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  Data: <searchLink fieldCode="AR" term="%22de+Aquino%2C+Guilherme+Siqueira%22">de Aquino, Guilherme Siqueira</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Viroulet%2C+Sylvain%22">Viroulet, Sylvain</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> sylvain.viroulet@imft.fr</i><br /><searchLink fieldCode="AR" term="%22Sasso%2C+Nicolas%22">Sasso, Nicolas</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Albagnac%2C+Julie%22">Albagnac, Julie</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Fluid+Mechanics%22">Journal of Fluid Mechanics</searchLink>. 12/10/2025, Vol. 1024, p1-28. 28p.
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  Data: <searchLink fieldCode="DE" term="%22Vortex+tubes%22">Vortex tubes</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+motion%22">Particle motion</searchLink><br /><searchLink fieldCode="DE" term="%22Dimensionless+numbers%22">Dimensionless numbers</searchLink><br /><searchLink fieldCode="DE" term="%22Empirical+research%22">Empirical research</searchLink><br /><searchLink fieldCode="DE" term="%22Numerical+analysis%22">Numerical analysis</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The interaction between a coherent vortex ring and an inertial particle is studied through a combination of experimental and numerical methods. The vortex ring is chosen as a model flow ubiquitous in various geophysical and industrial flows. A detailed description of the vortex properties together with the evolution of the particle kinematics during the interaction is addressed thanks to time-resolved particle image velocimetry and three-dimensional shadowgraphy visualisations. Complementary, direct numerical simulations are realised with a one-way coupling model for the particle, allowing for the identification of the elementary forces responsible for the interaction behaviours. The experimental and numerical results unequivocally demonstrate the existence of three distinct interaction regimes in the parameter range of the present study: simple deviation, strong deviation and capture. These regimes are delineated as functions of key controlled dimensionless parameters, namely, the Stokes number and the initial radial position of the particle relative to the vortex ring axis of propagation. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Fluid Mechanics is the property of Cambridge University Press and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
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        Value: 10.1017/jfm.2025.10909
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      – Code: eng
        Text: English
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        PageCount: 28
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        Type: general
      – SubjectFull: Particle motion
        Type: general
      – SubjectFull: Dimensionless numbers
        Type: general
      – SubjectFull: Empirical research
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      – SubjectFull: Numerical analysis
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      – TitleFull: Interaction regimes of a vortex ring and an inertial particle.
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            NameFull: Sasso, Nicolas
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            – D: 10
              M: 12
              Text: 12/10/2025
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              Y: 2025
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