1. Universität der Bundeswehr München; Institute of Fluid Mechanics and Aerodynamics; Werner-Heisenberg-Weg 39 85577 Neubiberg Germany
2. University of Bremen; Institute of Environmental Process Engineering IUV, ; Leobener Strasse 28359 Bremen Germany
3. University of Bremen; Center for Environmental Research and Sustainable Technology UFT; Leobener Strasse 28359 Bremen Germany