1. Centre National de la Recherche Scientifique, Institut de Mécanique des Fluides de Toulouse, F-31400 Toulouse, France
2. Bertin Technologies, F-78180 Montigny-le-Bretonneux, France
3. Centre National d’Etudes Spatiales, F-75612 Paris, France
4. ONERA, F-92322 Châtillon, France
5. Technische Universität München, D-85748 Garching, Germany
6. School of Aeronautics and Astronautics, Purdue University, West Lafayette, Indiana 47907