[1] Faculty of Biotechnical Systems Engineering, National University of Science and Technology POLITEHNICA Bucharest, Romania
[2] INOVECO S.R.L, Voluntari, Romania
[3] Faculty of Energy Engineering, National University of Science and Technology POLITEHNICA Bucharest, Romania
[4] Faculty of Energy Engineering, National University of Science and Technology POLITEHNICA Bucharest, Academy of Romanian Scientists, Bucharest, Romania