The effect of interaction between the reaction control system (RCS) jets and the flow over the space shuttle orbiter in the atmosphere was investigated in the NASA Langley 31-inch continuous flow hypersonic tunnel at a nominal Mach number of 10.3 and in the AEDC continuous flow hypersonic tunnel B at a nominal Mach number of 6, using 0.01 and .0125 scale force models with aft RCS nozzles mounted both on the model and on the sting of the force model balance. The data show that RCS nozzle exit momentum ratio is the primary correlating parameter for effects where the plume impinges on an adjacent surface and mass flow ratio is the parameter when the plume interaction is primarily with the external stream. An analytic model of aft mounted RCS units was developed in which the total reaction control moments are the sum of thrust, impingement, interaction, and cross-coupling terms.


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    Titel :

    Space Shuttle Orbiter Rear Mounted Reaction Control System Jet Interaction Study


    Beteiligte:
    J. R. Rausch (Autor:in)

    Erscheinungsdatum :

    1977


    Format / Umfang :

    451 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch