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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    Title :

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


    Contributors:

    Conference:

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


    Publication date :

    2019-09-17


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English





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