The economic and environmental benefits of laminar flow technology via reduced fuel burn of subsonic and supersonic aircraft cannot be realized without minimizing the uncertainty in drag prediction in general and transition prediction in particular. Transition research under NASA's Aeronautical Sciences Project seeks to develop a validated set of variable fidelity prediction tools with known strengths and limitations, so as to enable "sufficiently" accurate transition prediction and practical transition control for future vehicle concepts. This paper provides a summary of selected research activities targeting the current gaps in high-fidelity transition prediction, specifically those related to the receptivity and laminar breakdown phases of crossflow induced transition in a subsonic swept-wing boundary layer. The results of direct numerical simulations are used to obtain an enhanced understanding of the laminar breakdown region as well as to validate reduced order prediction methods.


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    Titel :

    Towards Bridging the Gaps in Holistic Transition Prediction via Numerical Simulations


    Beteiligte:
    Choudhari, Meelan M. (Autor:in) / Li, Fei (Autor:in) / Duan, Lian (Autor:in) / Chang, Chau-Lyan (Autor:in) / Carpenter, Mark H. (Autor:in) / Streett, Craig L. (Autor:in) / Malik, Mujeeb R. (Autor:in)

    Kongress:

    AIAA Fluid Dynamics Conference and Exhibit ; 2013 ; San Diego, CA, United States


    Erscheinungsdatum :

    24.06.2013


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Towards Bridging the Gaps in Holistic Transition Prediction via Numerical Simulations

    Choudhari, Meelan M. / Li, Fei / Chang, Chau-Lyan et al. | AIAA | 2013



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