The characteristics of the Mars entry including the mission sequence of events and associated spacecraft weights are described along with the Viking spacecraft. Test data are presented for the aerodynamic characteristics of the entry vehicle showing trimmed alpha, drag coefficient, and trimmed lift to drag ratio versus Mach number; the damping characteristics of the entry configuration; the angle of attack time history of Viking entries; stagnation heating and pressure time histories; and the aeroshell heating distribution as obtained in tests run in a shock tunnel for various gases. Flight tests which demonstrate the aerodynamic separation of the full-scale aeroshell and the flying qualities of the entry configuration in an uncontrolled mode are documented. Design values selected for the heat protection system based on the test data and analysis performed are presented.


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    Titel :

    Viking entry aerodynamics and heating


    Beteiligte:


    Erscheinungsdatum :

    01.08.1974


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Viking entry vehicle aerodynamics at M

    Sammonds, Robert I. / Kruse, Robert L. | TIBKAT | 1975


    Entry science experiments for Viking 1975.

    Nier, A. O. / Hanson, W. B. / Mcelroy, M. B. et al. | NTRS | 1972


    Apollo entry aerodynamics.

    Crowder, R. S. / Moote, J. D. | NTRS | 1968


    Re-entry aerodynamics

    Hankey, Wilbur L. | TIBKAT | 1988


    Apollo entry aerodynamics.

    Crowder, R. S. / Moote, J. D. | NTRS | 1969