Analysis is made of long-period (phugoid) oscillations of lifting vehicle in hypersonic flight up to and including orbital speeds in any atmosphere; oscillations correspond to direct exchange between kinetic and potential energy along oscillating flight path governed by trimmed steady-state zero pitching moment; it is found that decrease in gravitational attraction with altitude overcomes effect of decrease in atmospheric density with altitude so that with increasing speed phugoid period asymptotically approaches corresponding satellite orbit period; expressions are derived for so-called "short period" or angle-of-attack oscillations.


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    Titel :

    Phugoid oscillations at hypersonic speeds


    Weitere Titelangaben:

    AIAA J


    Beteiligte:
    Laitone, E.V. (Autor:in) / Chou, Y.S. (Autor:in)

    Erschienen in:

    AIAA Journal ; 3 , n 4 ; p 732-735


    Erscheinungsdatum :

    1965


    Format / Umfang :

    4 pages


    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :


    Phugoid oscillations at hypersonic speeds

    CHOU, Y. S. / LAITONE, E. V. | AIAA | 1965




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