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Dynamic Stall of an Airfoil With Leading Edge Bubble Separation Involving Time Dependent Re-Attachment

H. Tokel, F. Sisto

Open publisher page 6 citations

Abstract

The dynamic stall of an airfoil with leading edge bubble separation is analyzed. The stall flutter of turbomachine blading may involve periodic growth and collapse of such a bubble. The mathematical model representing the physical problem is presented. A flat plate undergoing harmonic oscillations with time-dependent point of re-attachment is studied for the perturbed aerodynamic reactions and applications to the stall flutter problem.

About this research paper

What this paper is about

The dynamic stall of an airfoil with leading edge bubble separation is analyzed. The stall flutter of turbomachine blading may involve periodic growth and collapse of such a bubble. The mathematical model representing the physical problem is presented. A flat plate undergoing harmonic oscillations with time-dependent point of re-attachment is studied for the perturbed aerodynamic reactions and applications to the stall flutter problem.

Why it matters

OpenAlex reports 6 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

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Method / approach

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Available abstract

The dynamic stall of an airfoil with leading edge bubble separation is analyzed. The stall flutter of turbomachine blading may involve periodic growth and collapse of such a bubble. The mathematical model representing the physical problem is presented. A flat plate undergoing harmonic oscillations with time-dependent point of re-attachment is studied for the perturbed aerodynamic reactions and applications to the stall flutter problem.

Key concepts: Stall (fluid mechanics), Airfoil, Leading edge, Bubble, Mechanics, Aerodynamics, Flutter, Turbomachinery

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