The problems of, and a particular solution for, the simulation of free-flight supersonic boundary-layer transition in ground facilities are discussed. Fundamental problems addressed include: technology requirements for blow-down low-disturbance wind-tunnels from upstream piping through to the diffuser with emphasis upon maintenance of laminar nozzle wall flows, characteristics and operational aspects of the NASA-LaRC Pilot Supersonic Quiet Tunnel, and comparisons of high-speed quiet facility transition studies with results from free flight, stability theory, and conventional ground facilities. Maintenance of laminar nozzle wall flow is shown to be a necessary condition for accurate simulation of high-speed flight transition behavior is ground facilities.


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    Title :

    Wind-tunnel simulation of high-speed flight transition


    Additional title:

    Simulieren des Grenzschichtumschlags bei hohen Geschwindigkeiten im Windkanal


    Contributors:


    Publication date :

    1989


    Size :

    14 Seiten, 7 Bilder, 29 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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