Marked divergence in subsonic angle-of-attack envelope of rolling, 60° half-angle, spherically blunted cone entry vehicle has been observed in simulation of Venus and Mars entry trajectories by six- and four-degree-of-freedom computer programs; divergence is related to vehicle characteristics such as moments of inertia and aerodynamic coefficients (particularly dynamic stability coefficient), to roll rate, and to trajectory and planetary factors such as dynamic pressure gradient and gravitational acceleration; criteria are presented which satisfactorily predict computed angle-of-attack variation. (11876)


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    Titel :

    Instability of high-drag planetary entry vehicles at subsonic speeds


    Weitere Titelangaben:

    J Spacecraft Rockets


    Beteiligte:
    Shirley, D.L. (Autor:in) / Misselhorn, J.E. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1968


    Format / Umfang :

    5 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :