1. The Department of Energy, Power and Environmental Engineering, Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Zagreb, Croatia
2. Department of Mechanical Metallurgy, Faculty of Metallurgy, University of Zagreb, Sisak, Croatia
3. AVL List GmbH, Graz, Austria
4. Chair for Power, Process and Environmental Engineering, Faculty of Mechanical Engineering University of Maribor, Maribor, Slovenia