Lines of energy are deposited ahead of supersonic and hypersonic vehicles in order to create a low-density channel, through which a vehicle can travel with dramatically reduced drag. Temperature and pressure are both also reduced on the front surfaces of the vehicle, while density and pressure are increased at the vehicle base. When applied off-center, this technique can be used to control the vehicle, employing the entire body as the control surface and eliminating the need for actuators. Results for drag-reduction, temperature- reduction, and control forces are presented here.


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    Title :

    Lines of Energy Deposition for Supersonic/Hypersonic Temperature/ Drag- Reduction and Vehicle Control


    Contributors:
    K. Kremeyer (author) / M. P. Reilly (author) / G. H. Miley (author)

    Publication date :

    2009


    Size :

    15 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English





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    Kremeyer, K. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2004



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    Drag Reduction by Energy Deposition in Hypersonic Flows

    Erdem, Erinc / Yang, Leichao / Kontis, Konstantinos | AIAA | 2009