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    Reynolds-averaged Navier-Stokes simulations over a protrusion using a Spalart-Allmaras turbulence model

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    t12095_Viltapuram.pdf (3.697Mb)
    Date
    2012-12
    Author
    Viltapuram, Naresh Goud
    Advisor
    Hoffmann, Klaus A.
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    Abstract
    This research performed Reynolds-averaged Navier-Stokes (RANS) simulations for the flow past an aircraft protrusion mounted on a flat surface. The major factor in this research is the investigation of shock-wave/boundary-layer interactions (SWBLIs). RANS computations were performed using the Spalart-Allmaras turbulence model and a second-order Navier-Stokes solver. The two complex three-dimensional geometries primarily focused on in this research were the circular-arc bump antenna and the TT-5006A antenna. Numerical results were in good agreement with the wind tunnel experimental results; however, some discrepancies in the flow properties occurred at the shock-interaction region. Computations were performed using the commercial software computation fluid dynamics (CFD) tool FLUENT in the High Performance Computing Center (HiPeCC) at Wichita State University.
    Description
    Thesis (M.S.)--Wichita State University, College of Engineering, Dept. of Aerospace Engineering
    URI
    http://hdl.handle.net/10057/5613
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