Non-intrusive load characterization of an airfoil using PIV

An assessment is made of the feasibility of using PIV velocity data for the non-intrusive aerodynamic force characterization (lift, drag and pitching moment) of an airfoil. The method relies upon the application of control-volume approaches in combination with the deduction of the pressure from the...

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Bibliographic Details
Published in:Experiments in fluids 2006-06, Vol.40 (6), p.988-992
Main Authors: VAN OUDHEUSDEN, B. W, SCARANO, F, CASIMIRI, E. W. F
Format: Article
Language:English
Subjects:
Aerodynamics
Airfoils
Applied fluid mechanics
Assessments
Drag
Exact sciences and technology
Fluid dynamics
Fundamental areas of phenomenology (including applications)
Instrumentation for fluid dynamics
Mathematical analysis
Physics
Rakes
Surface pressure
Wakes
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Summary:An assessment is made of the feasibility of using PIV velocity data for the non-intrusive aerodynamic force characterization (lift, drag and pitching moment) of an airfoil. The method relies upon the application of control-volume approaches in combination with the deduction of the pressure from the PIV experimental data, by making use of the momentum equation. First, the consistency of the method is verified by means of synthetic data obtained from CFD. Subsequently, the procedure was applied in an experimental investigation, in which the PIV approach is validated against standard pressure-based methods (surface pressure distribution and wake rake).
ISSN:0723-4864
1432-1114
DOI:10.1007/s00348-006-0149-2