Development of actively cooled flowpath panels for the National Aero-Space Plane (NASP) propulsion system was a critical task in the development plan of the air vehicle system. This task encompassed development of design requirements and loads, and component design and testing. In the early 90’s the effort focused on six cooled panel designs based in five different materials (NARloy-Z, Haynes 188, MoRe, IN909, C/C and C/SiC), each satisfying requirements in a different area of the propulsion flowpath. Eventually, three of these designs were fabricated and tested. For these tests, two primary facilities were used. The first was a radiant heating facility at Wright Patterson Air Force Base (WPAFB), and the second, a vitiated air heater at General Applied Science Laboratories (GASL) Inc. In these facilities, tests were run to validate thermal and mechanical models and to demonstrate coating durability and effectiveness. Additional tests to assess the damage tolerance of these designs were planned but never run. These tests ultimately exposed strengths and weaknesses in the designs and the analysis methods.


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    Title :

    Development of actively cooled panels for advanced propulsion systems


    Contributors:

    Conference:

    Space technology and applications international forum - 1998 ; 1998 ; Albuquerque,New Mexico (USA)


    Published in:

    AIP Conference Proceedings ; 420 , 1 ; 1027-1032


    Publication date :

    1998-01-15


    Size :

    6 pages





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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