On streamwise vortices in a turbulent wall jet that flows over a convex surface

O. Likhachev; R. Neuendorf; I. Wygnanski

doi:10.1063/1.1366678

On streamwise vortices in a turbulent wall jet that flows over a convex surface

O. Likhachev
, R. Neuendorf
, I. Wygnanski

Aerospace and Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

34 Scopus citations

Abstract

Flow visualization and correlation measurements revealed the existence of large streamwise vortices in a turbulent wall jet that is attached to a circular cylinder. These coherent structures were not to be found near the nozzle, nor were they artificially triggered, thus the vortices could be a product of centrifugal instability. The existence and scale of this large-scale coherent motion were corroborated by stability analysis applied to the measured mean flow.

Original language	English (US)
Pages (from-to)	1822-1825
Number of pages	4
Journal	Physics of Fluids
Volume	13
Issue number	6
DOIs	https://doi.org/10.1063/1.1366678
State	Published - Jun 2001

ASJC Scopus subject areas

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

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10.1063/1.1366678

Cite this

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title = "On streamwise vortices in a turbulent wall jet that flows over a convex surface",

abstract = "Flow visualization and correlation measurements revealed the existence of large streamwise vortices in a turbulent wall jet that is attached to a circular cylinder. These coherent structures were not to be found near the nozzle, nor were they artificially triggered, thus the vortices could be a product of centrifugal instability. The existence and scale of this large-scale coherent motion were corroborated by stability analysis applied to the measured mean flow.",

author = "O. Likhachev and R. Neuendorf and I. Wygnanski",

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AU - Likhachev, O.

AU - Neuendorf, R.

AU - Wygnanski, I.

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Y1 - 2001/6

N2 - Flow visualization and correlation measurements revealed the existence of large streamwise vortices in a turbulent wall jet that is attached to a circular cylinder. These coherent structures were not to be found near the nozzle, nor were they artificially triggered, thus the vortices could be a product of centrifugal instability. The existence and scale of this large-scale coherent motion were corroborated by stability analysis applied to the measured mean flow.

AB - Flow visualization and correlation measurements revealed the existence of large streamwise vortices in a turbulent wall jet that is attached to a circular cylinder. These coherent structures were not to be found near the nozzle, nor were they artificially triggered, thus the vortices could be a product of centrifugal instability. The existence and scale of this large-scale coherent motion were corroborated by stability analysis applied to the measured mean flow.

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UR - https://www.scopus.com/pages/publications/0035366832#tab=citedBy

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M3 - Article

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EP - 1825

JO - Physics of Fluids

JF - Physics of Fluids

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On streamwise vortices in a turbulent wall jet that flows over a convex surface

Abstract

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