The flowfield around five transonic inlet lips at high incidence is investigated for a variety of flow conditions around a design point representative of high-incidence maneuvering. Changes to the operating point are simulated by varying the angle of incidence and the mass flow rate over the lip, which is intended to mimic the effect of an increase in engine flow. For these inflow conditions, the flow on the lip is characterized by a supersonic region, which is terminated by a near-normal shock wave. Of particular interest is the effect of the lip geometry and operating point on the boundary layer at the equivalent fan location. The parametric investigation revealed a significant effect of the lip shape on the position and severity of the shock-wave/boundary-layer interaction. From correlation studies, it appears that the extent of shock-induced separation is the main factor affecting the boundary-layer state downstream of the normal shock-wave/boundary-layer interaction. Somewhat surprisingly, this was found to be independent of shock strength.


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    Titel :

    Boundary-Layer Development Downstream of Normal Shock in Transonic Intakes at Incidence


    Beteiligte:
    Coschignano, A. (Autor:in) / Babinsky, H. (Autor:in)

    Erschienen in:

    AIAA Journal ; 57 , 12 ; 5241-5251


    Erscheinungsdatum :

    2019-08-13


    Format / Umfang :

    11 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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