1. Institute of Technical Thermodynamics, Karlsruhe Institute of Technology (KIT), 76131 Karlsruhe, Germany
2. IVG, Institute for Combustion and Gas Dynamics, University of Duisburg-Essen, 47048 Duisburg, Germany
3. Institute of Thermal Engineering, TU Bergakademie Freiberg, 09599 Freiberg, Germany