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Comparison of supercritical airfoil flow calculations with wind-tunnel results (1983)

King, L. S. ; Johnson, D. A.

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Publication Date: 2019-06-28

Description: Navier-Stokes calculations have been performed for a supercritical airfoil at a transonic design condition and at a subsonic condition. Wind-tunnel pressure-rail measurements were employed as boundary data in the calculations to account for wall-interference effects. A fine mesh was used so that most details of the flows were resolved, particular attention having been given to the trailing-edge region. Detailed comparisons are made with the experimental data. Good agreement was obtained on the airfoil except at the trailing edge where separation occurred. Flow details in the trailing-edge region are examined and differences are shown to be attributable to the turbulence model employed.

Keywords: AERODYNAMICS

Type: AIAA PAPER 83-1688

Format: text

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