Dynamic Stall

Participants

Dynamic Stall

Dynamic stall is a topic of great interest in unsteady flows since it can lead to aerodynamic forces and moments severe enough to cause catastrophic structural failure. Onset of dynamic stall is of particular interest as that is the point where it is easiest to control. We are working on characterizing stall onset with the aim of developing a universal parameter that can indicate stall-onset and can be used to trigger stall control measures.

Publications

Journal

  1. Sudharsan, S., Narsipur, S., & Sharma, A. (2023). Evaluating Dynamic Stall-Onset Criteria for Mixed and Trailing-Edge Stall. AIAA Journal, 61(3), 1181–1196. https://doi.org/10.2514/1.J062011
  2. Sudharsan, S., Ganapathysubramanian, B., & Sharma, A. (2022). A vorticity-based criterion to characterise leading edge dynamic stall onset. Journal of Fluid Mechanics, 935, A10. https://doi.org/10.1017/jfm.2021.1149
  3. Sharma, A., & Visbal, M. (2019). Numerical investigation of the effect of airfoil thickness on onset of dynamic stall. Journal of Fluid Mechanics, 870, 870–900. https://doi.org/10.1017/jfm.2019.235

Conference proceedings

  1. Sudharsan, S., Narsipur, S., & Sharma, A. (2023). Effects of Compressibility on Leading-Edge Dynamic Stall Criteria. AIAA Aviation Forum. https://doi.org/10.2514/6.2023-3371
  2. Sudharsan, S., Narsipur, S., & Sharma, A. (2022). Evaluating dynamic stall onset criteria for mixed and trailing-edge stall. AIAA Scitech Forum. https://doi.org/10.2514/6.2022-1983
  3. Li, A., & Sharma, A. (2021). A panel method generated boundary condition for simulating unsteady flow over maneuvering airfoils. AIAA Aviation Forum. https://doi.org/10.2514/6.2021-2524
  4. Sudharsan, S., & Sharma, A. (2021). Exploring Various Techniques to Characterize Leading-Edge Dynamic Stall Onset. AIAA Aviation Forum. https://doi.org/10.2514/6.2021-2520
  5. Selvaraj, S., & Sharma, A. (2019). Effect of Leading Edge Serrations on Dynamic Stall at Re=30,000. AIAA Scitech Forum. https://doi.org/10.2514/6.2019-2158
  6. Sharma, A., & Visbal, M. R. (2017). Airfoil thickness effects on dynamic stall onset. 23rd AIAA Computational Fluid Dynamics Conference. https://doi.org/10.2514/6.2017-3957