1. Department of Mechanical Engineering; Institute of Flight Guidance, TU Braunschweig; Hermann-Blenk-Str. 27 38108 Braunschweig Lower Saxony Germany
2. Institute of Meteorology and Climatology; Leibniz Universität Hannover; Herrenhäuser Str. 2 30419 Hannover Lower Saxony Germany
3. Department of Mechanical Engineering; Institut für Flugantriebe und Strömungsmaschinen, TU Braunschweig; Hermann-Blenk-Str. 37 38108 Braunschweig Lower Saxony Germany