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Vortex trapping on a surface with an indentation and corrugations

Author

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  • Yeung, W.W.H.

Abstract

This paper explores the possibility of trapping single and multiple vortices on a surface and on an airfoil. Results from the vortex trajectory show that an indented surface and an airfoil with an indentation can stabilize a trapped vortex. That is, when displaced by a finite distance from the equilibrium position, the vortex always moves around its equilibrium position. A boundary with multiple corrugations can be created and incorporated onto an airfoil to trap multiple vortices. Irregular vortex motion has been found when multiple vortices are presented above the corrugations. A method is proposed, allowing the vortices to spiral towards its equilibrium positions.

Suggested Citation

  • Yeung, W.W.H., 2009. "Vortex trapping on a surface with an indentation and corrugations," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 79(11), pages 3243-3257.
    • Handle: RePEc:eee:matcom:v:79:y:2009:i:11:p:3243-3257
    DOI: 10.1016/j.matcom.2009.04.016
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    Cited by:

    1. Dominik Błoński & Katarzyna Strzelecka & Henryk Kudela, 2021. "Vortex Trapping Cavity on Airfoil: High-Order Penalized Vortex Method Numerical Simulation and Water Tunnel Experimental Investigation," Energies, MDPI, vol. 14(24), pages 1-32, December.

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