Wind-tunnel apparatus facilitates experiments on airfoils undergoing dynamic stall. Possible to visualize flow on oscillating airfoils nonintrusively. In new apparatus, mounting structure also viewing window: airfoil pin-mounted between two optical-quality glass windows. Windows oscillated simultaneously, giving unobstructed view of complex flow around pitching airfoil.
Visualizing Dynamic-Stall Airflows
NASA Tech Briefs ; 17 , 5
1993-05-01
Miscellaneous
No indication
English
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