While developing the aerodynamic database for the Orion spacecraft, the low-speed flight regime (transonic and below) proved to be the most difficult to predict and measure accurately. The flow over the capsule heat shield in descent flight was particularly troublesome for both computational and experimental efforts due to its unsteady nature and uncertainty about the boundary layer state. The data described here were acquired as part of a study to improve the understanding of the overall flow around a generic capsule. The unsteady pressure measurements acquired on a generic capsule shape are presented along with a discussion about the effects of various flight conditions and heat-shield surface roughness on the resulting pressure fluctuations.


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    Title :

    Unsteady Pressures on a Generic Capsule Shape


    Contributors:

    Conference:

    Aerospace Sciences Meeting ; 2015 ; Kissimmee, FL, United States


    Publication date :

    2015-01-05


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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