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Computational Simulation and PIV Measurements of the Laminar Vortical Flowfield for a Delta Wing at High Angle of Attack

Russell Cummings, Scott Morton, Stefan Siegel
2003 41st Aerospace Sciences Meeting and Exhibit   unpublished

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The low-speed, laminar flowfield for a 70 o -sweep delta wing is investigated. Solutions to the unsteady, three-dimensional, compressible Navier-Stokes equations were obtained on an unstructured grid to match results from an experiment performed in a water tunnel. The experiment was conducted with the delta wing at an angle of attack of 35 o and the freestream flow at a root-chord Reynolds number of 40,700. The computational results are analyzed and compared with the experimental results in
more » ... r to show how computations and experiments can be conducted in a synergistic fashion. Details about the primary vortex location, vortex burst, secondary vortex, and shear layer interaction are shown and discussed.
doi:10.2514/6.2003-1102 fatcat:gkoqpq6azjdkbn7ymayzfnqfzm
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Russell Cummings, Scott Morton, Stefan Siegel. "Computational Simulation and PIV Measurements of the Laminar Vortical Flowfield for a Delta Wing at High Angle of Attack." 41st Aerospace Sciences Meeting and Exhibit (2003)