1. Department of Production Engineering, Faculty of Organisation and Management, Silesian University of Technology, Akademicka 2A, 44-100 Gliwice, Poland
2. Sumitomo SHI FW Energia Polska sp. z o.o., Młynarska 42, 01-171 Warszawa, Poland
3. Institute of Thermal and Process Engineering, Cracow University of Technology, Al. Jana Pawła II 37, 31-864 Krakow, Poland
4. Department of Heat, Hydraulics and Environmental Engineering, “Angel Kanchev” University of Ruse, 7017 Ruse, Bulgaria