Results are reported from the initial phase of an effort to provide an adequate technical capability to accurately predict the full scale, flight vehicle, nozzle-afterbody performance of future aircraft based on partial scale, wind tunnel testing. The primary emphasis of this initial effort is to assess the current capability and identify the cause of limitations on this capability. A direct comparison of surface pressure data is made between the results from an 0.1-scale model wind tunnel investigation and a full-scale flight test program to evaluate the current subscale testing techniques. These data were acquired at Mach numbers 0.6, 0.8, 0.9, 1.2, and 1.5 on four nozzle configurations at various vehicle pitch attitudes. Support system interference increments were also documented during the wind tunnel investigation. In general, the results presented indicate a good agreement in trend and level of the surface pressures when corrective increments are applied for known effects and surface differences between the two articles under investigation.


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    Titel :

    Comparison of nozzle and afterbody surface pressures from wind tunnel and flight test of the YF-17 aircraft


    Beteiligte:
    Lucas, E. J. (Autor:in) / Fanning, A. E. (Autor:in) / Steers, L. I. (Autor:in)

    Kongress:

    Joint Propulsion Conference ; 1978 ; Las Vegas, NV, US


    Erscheinungsdatum :

    1978-07-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch