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Tollmien-Schlichting wave generation by flow turbulence

Authors :
M. V. Ustinov
Source :
Fluid Dynamics. 49:468-480
Publication Year :
2014
Publisher :
Pleiades Publishing Ltd, 2014.

Abstract

The problem of freestream-turbulence-generated instability waves in the flat-plate boundary layer is solved on the basis of a nonlinear turbulence model admitting the deviation of the speed of propagation of vortex disturbances from the flow velocity. The solution obtained well describes the experimental dependence of the laminar-turbulent transition Reynolds number on the freestream turbulence degree.

Subjects

Subjects :
Fluid Flow and Transfer Processes
Physics
Turbulence
K-epsilon turbulence model
Mechanical Engineering
Wave turbulence
Turbulence modeling
General Physics and Astronomy
Reynolds number
Mechanics
K-omega turbulence model
Nonlinear Sciences::Chaotic Dynamics
Physics::Fluid Dynamics
symbols.namesake
Boundary layer
Classical mechanics
Physics::Space Physics
symbols
Tollmien–Schlichting wave

Details

ISSN :
15738507 and 00154628
Volume :
49
Database :
OpenAIRE
Journal :
Fluid Dynamics
Accession number :
edsair.doi...........53995f141b44de2e6eae95c4dda54698
Full Text :
https://doi.org/10.1134/s0015462814040073
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