Separated Flow Surface Pressure Fluctuations and Pressure-Velocity Correlations on Prolate Spheroid

Separated Flow Surface Pressure Fluctuations and Pressure-Velocity Correlations on Prolate Spheroid

Power spectra of turbulent surface pressure fluctuations and spatial correlation coefficients of surface pressurevelocity are presented for the leeside, three-dimensional, separated crossflow over a 6:1 prolate spheroid at ReL = 4.2 x 106 for angles of attack of 10 and 20 deg. This is a complex, thr...

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Veröffentlicht in:AIAA journal 2000-02, Vol.38 (2), p.266-274
Hauptverfasser: Goody, Michael C, Simpson, Roger L, Chesnakas, Christopher J
Format: Artikel
Sprache:eng
Schlagworte:
Aerodynamics
Boundary layers
Correlation methods
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Hydrodynamic stability
Mathematical models
Physics
Pressure
Pressure measurement
Reynolds number
Rotational flow and vorticity
Secondary instability
Separated flows
Shear stress
Spheres
Velocity
Vortex flow
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Zusammenfassung:Power spectra of turbulent surface pressure fluctuations and spatial correlation coefficients of surface pressurevelocity are presented for the leeside, three-dimensional, separated crossflow over a 6:1 prolate spheroid at ReL = 4.2 x 106 for angles of attack of 10 and 20 deg. This is a complex, three-dimensional, nonequilibrium flow of practical interest.
ISSN:0001-1452
1533-385X
DOI:10.2514/2.953