Transition Prediction of Boundary Layers in the Presence of Backward-Facing Steps

Transition Prediction of Boundary Layers in the Presence of Backward-Facing Steps

A set of available engineering models for the prediction of transition to turbulence is evaluated via comparisons with a high-quality experiment involving a backward-facing step (BFS) on a flat plate at subsonic freestream conditions. The streamwise shift in the transition location is monitored as t...

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Veröffentlicht in:AIAA journal 2022-07, Vol.60 (7), p.4149-4161
Hauptverfasser: Hildebrand, Nathaniel, Mysore, Preethi V., Choudhari, Meelan M., Venkatachari, Balaji S., Paredes, Pedro
Format: Artikel
Sprache:eng
Schlagworte:
Aircraft
Amplification
Aviation
Backward facing steps
Boundary layer transition
Dimensional analysis
Downstream effects
Energy efficiency
Flat plates
Methods
Parabolized stability equations
Physics
Pressure distribution
Reynolds number
Stability
Transport equations
Viscosity
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Beschreibung
Zusammenfassung:A set of available engineering models for the prediction of transition to turbulence is evaluated via comparisons with a high-quality experiment involving a backward-facing step (BFS) on a flat plate at subsonic freestream conditions. The streamwise shift in the transition location is monitored as the step height and flow speed are varied across step-height-to-local-displacement-thickness ratios of 0
ISSN:0001-1452
1533-385X
DOI:10.2514/1.J061296