Results from a numerical investigation of the unsteady transonic flow around a supercritical BAC 3-11 airfoil will be presented here. The focus of this paper is the phenomenon of upstream moving pressure waves. The used solver is based on the finite difference discretisation of high order accuracy (N greater than 5) and explicit time integration. The mechanisms of pressure wave generation, their development and the influences of the inflow parameter like Mach, Reynolds number and angle of attack are investigated in two-dimensional flow simulations. To analyse the three-dimensional effects simulation of the three-dimensional transonic flow is performed for selected inflow conditions and its preliminary results will be presented.


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    Influence of Trailing-Edge Brushes on Upstream-Moving Pressure Waves in Transonic Flow (AIAA 2014-3244)

    Nies, J. / Olivier, H. / American Institute of Aeronautics and Astronautics | British Library Conference Proceedings | 2014




    Turbulent transonic airfoil flow simulation using a pressure-based algorithm

    Zhou, Gang / Davidson, Lars / Olsson, Erik | AIAA | 1995