Slat Noise Predictions using Higher-Order Finite-Difference Methods on Overset Grids | Zendy

Jeffrey A. Housman | Zendy; Cetin C. Kiris | Zendy

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Slat Noise Predictions using Higher-Order Finite-Difference Methods on Overset Grids

Author(s) -

Jeffrey A. Housman,

Cetin C. Kiris

Publication year - 2016

Publication title -

nasa sti repository (national aeronautics and space administration)

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2016-2963

Subject(s) - aerodynamics , discretization , noise (video) , grid , solver , computer science , aerospace engineering , computational fluid dynamics , turbulence , unstructured grid , physics , engineering , mathematics , mechanics , geometry , mathematical analysis , artificial intelligence , image (mathematics) , programming language

Computational aeroacoustic simulations using the structured overset grid approach and higher-order finite difference methods within the Launch Ascent and Vehicle Aerodynamics (LAVA) solver framework are presented for slat noise predictions. The simulations are part of a collaborative study comparing noise generation mechanisms between a conventional slat and a Krueger leading edge flap. Simulation results are compared with experimental data acquired during an aeroacoustic test in the NASA Langley Quiet Flow Facility. Details of the structured overset grid, numerical discretization, and turbulence model are provided.

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