
doi: 10.1007/bf02332983
The concept of vorticity separation without dynamic stall is illustrated by flow visualization. A small airfoil with a rotating nose, originally built for the demonstration of static stall control, was placed in a wind tunnel and dynamically pitched. The flow around the airfoil during pitch was successfully visualized and filmed. It exhibited dynamic trailing edge separation of vorticity without leading edge dynamic stall. Diagrams of the airfoil assembly are included.
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