The flow field around a generic multi-swept delta wing configuration is investigated under transonic flow conditions, both experimentally and numerically. A special focus is on the analysis of vortex/vortex and vortex/shock interactions at moderate angles of attack. In the present study, the Mach number is varied between Ma=0.50 and Ma=1.41 and the angle of attack is varied between α=8∘ and α=28∘. Numerical results are validated using experimental surface pressure data from pressure taps, as well as forces and moments based on strain gauge measurements. For selected cases, velocity field data from particle image velocimetry (PIV) measurements are available as well. Over a broad range of angle of attack and Mach number, strong vortex/vortex interactions, including vortex braiding and vortex merging, occur. The location of vortex merging is moving downstream with increasing angle of attack and increasing Mach number. Additionally, at Ma=0.85, vortex/shock interaction occurs above the wing. For moderate angles of attack, shock-induced vortex breakdown is observed.


    Access

    Download


    Export, share and cite



    Title :

    Experimental and numerical analysis of the aerodynamics and vortex interactions on multi-swept delta wings


    Additional title:

    CEAS Aeronaut J


    Contributors:
    Werner, M. (author) / Rein, M. (author) / Richter, K. (author) / Weiss, S. (author)

    Published in:

    CEAS Aeronautical Journal ; 14 , 4 ; 927-938


    Publication date :

    2023-10-01


    Size :

    12 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English





    The Vortex Aerodynamics of Delta Wings

    Lee, ShiangYu | AIAA | 2016


    Computational study of vortex breakdown over swept delta wings

    Rizzi, Arthur / GOERTZ, STEFAN / Munukka, Kari | AIAA | 1999


    Occurrence of Vortex Breakdown on the Swept and Delta Wings

    Srigrarom, S. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2006


    The Vortex Aerodynamics of Delta Wings (AIAA 2016-4171)

    Lee, ShiangYu | British Library Conference Proceedings | 2016