An analysis of measurements recorded by the ascent air data system (AADS) located on the nose of the external tank of the Shuttle during the first flight is presented. The 30/10 deg biconic spike has five pressure ports for tracking yaw and pitch attitude, total pressure, and static pressure; comparison of AADS data with wind tunnel data allowed determination of angle of attack, angle of sideslip, Mach number, and dynamic pressure. Program goals for AADS development are reviewed, and specific design features are described. Wind tunnel test data were compared with best estimates simulations and initial flight data where possible; only wind tunnel derived Mach number predictions for time intervals 90 sec after launch are noted to deviate significantly from actual flight data.


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    Titel :

    Postflight analysis of the Space Shuttle ascent air data system


    Beteiligte:
    Hillje, E. R. (Autor:in) / Nelson, R. L. (Autor:in)

    Kongress:

    Flight Testing Conference ; 1981 ; Las Vegas, NV


    Erscheinungsdatum :

    1981-11-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch