A novel method is developed to improve the volume performance of large-slenderness-ratio cone-derived waveriders. Under the consideration of space utilization, loading capacity, and upper wall expansion performance, the design method is composed of an improved basic flowfield and a specially designed M-shaped flow capture curve. In addition, an improved evaluation method is proposed to provide a better measurement of volume performance for large-slenderness-ratio waveriders than the conventional method, which can also guide the design of volume-improved waveriders. The volume-improved waveriders and conventional cone-derived waveriders with slenderness ratios of more than nine are designed under the condition of a cruising altitude of 40 km and a Mach number of 12. After investigating their volume and aerodynamic performance, it can be found that the volume-improved waverider can achieve about a 48% volume increment, a 91% effective volume increment, and a four times larger volume growth rate compared to the conventional waverider. Furthermore, the lift-to-drag ratio of the volume-improved waverider is higher than that of the conventional waverider in the inviscid case, whereas it is smaller under the viscous condition. The gap in the viscous lift-to-drag ratio between the two waveriders reduces with the increasing attack of angle and is less than 8% at the design condition.


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    Titel :

    Novel Volume-Improved Design Method of Large-Slenderness-Ratio Cone-Derived Waveriders


    Beteiligte:
    Wang, Ding (Autor:in) / Wang, Jiang-Feng (Autor:in) / Li, Long-Fei (Autor:in) / Yang, Tian-Peng (Autor:in) / Chen, Jiang-Tao (Autor:in)

    Erschienen in:

    AIAA Journal ; 58 , 11 ; 4832-4847


    Erscheinungsdatum :

    01.11.2020




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





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