1. C. Demuth, Prof. S. Ray, E. Werzner, Prof. H. Krause; Institute of Thermal Engineering, Technische Universität Bergakademie Freiberg; Gustav-Zeuner-Straße 7 09596 Freiberg Germany
2. Dr. M. A. A. Mendes, Prof. D. Trimis; Engler-Bunte-Institute, Division of Combustion Technology, Karlsruhe Institute of Technology; Engler-Bunte-Ring 7 76131 Karlsruhe Germany