NASA has been working toward designing and conducting a juncture flow experiment on a wing-body aircraft configuration. The experiment is planned to provide validation-quality data for CFD that focuses on the onset and progression of a separation bubble near the wing-body juncture trailing edge region. This paper describes the goals and purpose of the experiment. Although currently considered unreliable, preliminary CFD analyses of several different configurations are shown. These configurations have been subsequently tested in a series of "risk-reduction" wind tunnel tests, in order to help down-select to a final configuration that will attain the desired flow behavior. The risk-reduction testing at the higher Reynolds number has not yet been completed (at the time of this writing), but some results from one of the low-Reynolds-number experiments are shown.


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    Title :

    The NASA Juncture Flow Experiment: Goals, Progress, and Preliminary Testing (Invited)



    Conference:

    2016 AIAA Science and Technology Forum and Exposition ; 2016 ; San Diego, CA, United States


    Publication date :

    2016-01-04


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English


    Keywords :


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