Centrifugal instability of couette flow over a wavy wall

J. M. Floryan

doi:10.1063/1.1416185

Centrifugal instability of couette flow over a wavy wall

J. M. Floryan

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

63 Citations (Scopus)

Abstract

Linear stability of Couette flow over a wavy wall is considered. It is shown that centrifugal effects may create an instability that leads to the formation of streamwise vortices. The conditions leading to the onset of the instability depend on the amplitude and the wavelength of the waviness and can be expressed in terms of the critical Reynolds number. The global critical conditions describing the minimum critical Reynolds number and the associated wave number of wall waviness required to create the instability for the specified amplitude of the waviness are also given. © 2002 American Institute of Physics.

Original language	English
Pages (from-to)	312-322
Journal	Physics of Fluids
Volume	14
Issue number	1
DOIs	https://doi.org/10.1063/1.1416185
Publication status	Published - Jan 2002
Externally published	Yes

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Publication details (e.g. title, author(s), publication statuses and dates) are captured on an “AS IS” and “AS AVAILABLE” basis at the time of record harvesting from the data source. Suggestions for further amendments or supplementary information can be sent to [email protected].

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abstract = "Linear stability of Couette flow over a wavy wall is considered. It is shown that centrifugal effects may create an instability that leads to the formation of streamwise vortices. The conditions leading to the onset of the instability depend on the amplitude and the wavelength of the waviness and can be expressed in terms of the critical Reynolds number. The global critical conditions describing the minimum critical Reynolds number and the associated wave number of wall waviness required to create the instability for the specified amplitude of the waviness are also given. {\textcopyright} 2002 American Institute of Physics.",

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N2 - Linear stability of Couette flow over a wavy wall is considered. It is shown that centrifugal effects may create an instability that leads to the formation of streamwise vortices. The conditions leading to the onset of the instability depend on the amplitude and the wavelength of the waviness and can be expressed in terms of the critical Reynolds number. The global critical conditions describing the minimum critical Reynolds number and the associated wave number of wall waviness required to create the instability for the specified amplitude of the waviness are also given. © 2002 American Institute of Physics.

AB - Linear stability of Couette flow over a wavy wall is considered. It is shown that centrifugal effects may create an instability that leads to the formation of streamwise vortices. The conditions leading to the onset of the instability depend on the amplitude and the wavelength of the waviness and can be expressed in terms of the critical Reynolds number. The global critical conditions describing the minimum critical Reynolds number and the associated wave number of wall waviness required to create the instability for the specified amplitude of the waviness are also given. © 2002 American Institute of Physics.

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DO - 10.1063/1.1416185

M3 - RGC 21 - Publication in refereed journal

SN - 1070-6631

VL - 14

SP - 312

EP - 322

JO - Physics of Fluids

JF - Physics of Fluids

IS - 1

ER -

Centrifugal instability of couette flow over a wavy wall

Abstract

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