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Evanescent inertial waves.

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Title: Evanescent inertial waves.
Authors: Nosan, Žiga1 (AUTHOR), Burmann, Fabian1 (AUTHOR) fabian.burmann@erdw.ethz.ch, Davidson, P.A.2 (AUTHOR), Noir, Jérõme1 (AUTHOR)
Source: Journal of Fluid Mechanics. 7/10/2021, Vol. 918, p1-11. 11p.
Subjects: Rotating fluid, Waves (Fluid mechanics), Viscosity, Fluids
Abstract: We investigate evanescent inertial waves, both theoretically and experimentally, in a fluid subject to a background rotation of $\varOmega$. We predict that there is a smooth transition from conventional inertial waves to evanescent disturbances at a frequency of $\varpi = 2\varOmega$ , and that at this cross-over frequency the evanescent disturbances are spatially extensive, having a horizontal extent which is limited only by viscosity, or by the size of the domain. These findings are confirmed by our experiments, which, to the best of our knowledge, represent the first quantitative experimental investigation of evanescent inertial waves. [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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DbLabel: Engineering Source
An: 152316577
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Evanescent inertial waves.
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  Data: <searchLink fieldCode="AR" term="%22Nosan%2C+Žiga%22">Nosan, Žiga</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Burmann%2C+Fabian%22">Burmann, Fabian</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> fabian.burmann@erdw.ethz.ch</i><br /><searchLink fieldCode="AR" term="%22Davidson%2C+P%2EA%2E%22">Davidson, P.A.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Noir%2C+Jérõme%22">Noir, Jérõme</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Fluid+Mechanics%22">Journal of Fluid Mechanics</searchLink>. 7/10/2021, Vol. 918, p1-11. 11p.
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  Data: <searchLink fieldCode="DE" term="%22Rotating+fluid%22">Rotating fluid</searchLink><br /><searchLink fieldCode="DE" term="%22Waves+%28Fluid+mechanics%29%22">Waves (Fluid mechanics)</searchLink><br /><searchLink fieldCode="DE" term="%22Viscosity%22">Viscosity</searchLink><br /><searchLink fieldCode="DE" term="%22Fluids%22">Fluids</searchLink>
– Name: Abstract
  Label: Abstract
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  Data: We investigate evanescent inertial waves, both theoretically and experimentally, in a fluid subject to a background rotation of $\varOmega$. We predict that there is a smooth transition from conventional inertial waves to evanescent disturbances at a frequency of $\varpi = 2\varOmega$ , and that at this cross-over frequency the evanescent disturbances are spatially extensive, having a horizontal extent which is limited only by viscosity, or by the size of the domain. These findings are confirmed by our experiments, which, to the best of our knowledge, represent the first quantitative experimental investigation of evanescent inertial waves. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  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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      – Type: doi
        Value: 10.1017/jfm.2021.343
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      – Code: eng
        Text: English
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        PageCount: 11
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      – SubjectFull: Rotating fluid
        Type: general
      – SubjectFull: Waves (Fluid mechanics)
        Type: general
      – SubjectFull: Viscosity
        Type: general
      – SubjectFull: Fluids
        Type: general
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      – TitleFull: Evanescent inertial waves.
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            NameFull: Nosan, Žiga
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            NameFull: Burmann, Fabian
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            NameFull: Davidson, P.A.
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            NameFull: Noir, Jérõme
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            – D: 10
              M: 07
              Text: 7/10/2021
              Type: published
              Y: 2021
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              Value: 918
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            – TitleFull: Journal of Fluid Mechanics
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