An effort to improve the particle-based velocity measurement capability in the NASA Glenn Research Center 1'x1' Supersonic Wind Tunnel has recently been undertaken. Modifications to the pressure vessel where the seed particles are generated and inserted into the wind tunnel's pressurized air supply were implemented to reduce residence time and thus agglomeration of particles in the seeding tank. The operation of the improved seeding system was evaluated and optimized using particle image velocimetry (PIV) measurements across an isolated oblique shock wave in the facility test section. The PIV system using optimal seeding settings was also applied to make detailed measurements of the test section sidewall boundary layer height to inform model designs for future testing in this facility.


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    Titel :

    Particle Seeding System Upgrades in the NASA GRC 1 × 1 Supersonic Wind Tunnel


    Beteiligte:
    Heath H Reising (Autor:in) / Puja Upadhyay (Autor:in) / Mark P Wernet (Autor:in)

    Kongress:

    AIAA AVIATION Forum and Exposition ; 2023 ; San Diego, CA, US


    Erscheinungsdatum :

    2023-06-12


    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch




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