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Experimental investigation of surfactant effects on gravity–capillary wave dissipation and surface flow.

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Title: Experimental investigation of surfactant effects on gravity–capillary wave dissipation and surface flow.
Authors: Xu, Chang1 (AUTHOR) xuchang@tamu.edu, Perlin, Marc1 (AUTHOR)
Source: Journal of Fluid Mechanics. 12/25/2025, Vol. 1025, p1-18. 18p.
Subjects: Surface active agents, Capillary waves, Marangoni effect, Energy dissipation, Sound-wave attenuation, Sea surface microlayer, Ocean-atmosphere interaction, Hydrodynamics
Abstract: Sea surface films significantly influence air–sea interaction. While their damping effect on gravity–capillary waves is well recognised, the detailed mechanisms by which surface films alter small-scale wave dynamics – particularly energy dissipation and near-surface flow patterns – remain insufficiently understood. This paper presents experimental observations focusing on small-scale wave profiles and surface-flow dynamics in the presence of surfactants, providing direct experimental evidence of underlying mechanisms such as Marangoni effects. The experiments demonstrate enhanced energy dissipation and significant alterations in near-surface flow caused by surfactants, including the transformation of typical circular motion into elliptical-like trajectories and the emergence of reverse surface drift. [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: 191389977
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Experimental investigation of surfactant effects on gravity–capillary wave dissipation and surface flow.
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  Data: <searchLink fieldCode="AR" term="%22Xu%2C+Chang%22">Xu, Chang</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xuchang@tamu.edu</i><br /><searchLink fieldCode="AR" term="%22Perlin%2C+Marc%22">Perlin, Marc</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Fluid+Mechanics%22">Journal of Fluid Mechanics</searchLink>. 12/25/2025, Vol. 1025, p1-18. 18p.
– Name: Subject
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  Data: <searchLink fieldCode="DE" term="%22Surface+active+agents%22">Surface active agents</searchLink><br /><searchLink fieldCode="DE" term="%22Capillary+waves%22">Capillary waves</searchLink><br /><searchLink fieldCode="DE" term="%22Marangoni+effect%22">Marangoni effect</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+dissipation%22">Energy dissipation</searchLink><br /><searchLink fieldCode="DE" term="%22Sound-wave+attenuation%22">Sound-wave attenuation</searchLink><br /><searchLink fieldCode="DE" term="%22Sea+surface+microlayer%22">Sea surface microlayer</searchLink><br /><searchLink fieldCode="DE" term="%22Ocean-atmosphere+interaction%22">Ocean-atmosphere interaction</searchLink><br /><searchLink fieldCode="DE" term="%22Hydrodynamics%22">Hydrodynamics</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Sea surface films significantly influence air–sea interaction. While their damping effect on gravity–capillary waves is well recognised, the detailed mechanisms by which surface films alter small-scale wave dynamics – particularly energy dissipation and near-surface flow patterns – remain insufficiently understood. This paper presents experimental observations focusing on small-scale wave profiles and surface-flow dynamics in the presence of surfactants, providing direct experimental evidence of underlying mechanisms such as Marangoni effects. The experiments demonstrate enhanced energy dissipation and significant alterations in near-surface flow caused by surfactants, including the transformation of typical circular motion into elliptical-like trajectories and the emergence of reverse surface drift. [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:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1017/jfm.2025.10982
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 18
        StartPage: 1
    Subjects:
      – SubjectFull: Surface active agents
        Type: general
      – SubjectFull: Capillary waves
        Type: general
      – SubjectFull: Marangoni effect
        Type: general
      – SubjectFull: Energy dissipation
        Type: general
      – SubjectFull: Sound-wave attenuation
        Type: general
      – SubjectFull: Sea surface microlayer
        Type: general
      – SubjectFull: Ocean-atmosphere interaction
        Type: general
      – SubjectFull: Hydrodynamics
        Type: general
    Titles:
      – TitleFull: Experimental investigation of surfactant effects on gravity–capillary wave dissipation and surface flow.
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            NameFull: Xu, Chang
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            NameFull: Perlin, Marc
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          Dates:
            – D: 25
              M: 12
              Text: 12/25/2025
              Type: published
              Y: 2025
          Identifiers:
            – Type: issn-print
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              Value: 1025
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            – TitleFull: Journal of Fluid Mechanics
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