Aerodynamic shape optimization of swept Natural Laminar Flow (NLF) wing design plays an important role for the development of future energy-efficient commercial transport aircraft. Lack of predictive laminar-to-turbulent transition modeling capabilities is still limiting the extent to which design can rely on computational tools, while making costly wind tunnel and flight tests a necessity. Prediction of transition on practical 3D wing geometries using the e (sup N) method coupled with laminar boundary layer and linear stability codes or local statistical correlation CFD (Computational Fluid Dynamics) models such as the gamma - Re (sub theta) Langtry-Menter model have proven challenging, whereas transitional hybrid RANS-LES solvers have shown encouraging but still mitigated results.


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    Titel :

    Scale-Resolving Simulations of Laminar-to-Turbulent Transition in Swept-Wing Flow


    Beteiligte:
    Denison, Marie (Autor:in) / Garai, Anirban (Autor:in) / Murman, Scott (Autor:in)

    Kongress:

    AIAA Aviation and Aeronautics Forum (Aviation 2019) ; 2019 ; Dallas, TX, United States


    Erscheinungsdatum :

    2019-09-17


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch





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