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IUTAM Symposium Transsonicum IV, Ed. Sobieczky., H., Kluwer Academic Publishers, Dordrecht, The Netherlands, 2003, pp. 71-78.< Computational investigations of transonic limit-cycle flutter of the NLR 7301 supercritical airfoil using a thin-layer Navier-Stokes solver are presented. Results are given showing the effect of turbulence and transition modeling and of wind-tunnel interference. Comparisons are made with the experiments of Schewe and Deyhle. The results show that both viscous effects and wind tunnel interference effects are significant, and need to be correctly modeled in the computations. |
