Computational simulations using structured curvilinear overset grids with the Launch Ascent and Vehicle Aerodynamics (LAVA) framework are presented for predicting the aerodynamic and aeroacoustic behavior of a contra-rotating open rotor (CROR) propulsion system using a newly developed and computationally efficient sliding mesh technique. A comprehensive evaluation of two turbulence closure treatments is carried out as part of the scope of this work: Unsteady Reynolds-Averaged Navier-Stokes Simulation (URANS), and Hybrid RANS/LES (HRLES). The computed results are then validated against existing experimental measurements at both the nominal take-off and cruise flight conditions. To propagate the noise generated by the near-field CROR system, aeroacoustic analysis based on a frequency-domain permeable surface Ffowcs Williams-Hawkings (FW-H) approach is applied.


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    Titel :

    Unsteady RANS and Scale Resolving Simulations of Open Rotor Noise


    Beteiligte:
    Ercan Dumlupinar (Autor:in) / Jeffrey A Housman (Autor:in) / Gaetan K Kenway (Autor:in) / Cetin C Kiris (Autor:in)

    Kongress:

    AIAA SciTech Forum and Exposition ; 2023 ; National Harbor, MD, US



    Erscheinungsdatum :

    2023-01-19



    Medientyp :

    Sonstige


    Format :

    Keine Angabe


    Sprache :

    Englisch


    Schlagwörter :


    Unsteady RANS and Scale Resolving Simulations of Open Rotor Noise

    Dumlupinar, Ercan / Housman, Jeffrey A. / Kenway, Gaetan K. et al. | AIAA | 2023


    Unsteady RANS and Scale Resolving Simulations of Open Rotor Noise

    Ercan Dumlupinar / Jeffrey A Housman / Gaetan K Kenway et al. | NTRS | 2023


    Scale Resolving Simulations of Contra Rotating Open Rotor Noise Prediction

    Ercan Dumlupinar / Jeffrey A Housman / Jared Duensing | NTRS


    Scale Resolving Simulations of Contra Rotating Open Rotor Noise Prediction

    Ercan Dumlupinar / Jeffrey A. Housman / Jared C. Duensing | NTRS


    Scale Resolving Simulations of Contra Rotating Open Rotor Noise Prediction

    Dumlupinar, Ercan / Housman, Jeffrey A. / Duensing, Jared | AIAA | 2024