1. Department of Power Engineering, “Gheorghe Asachi” Technical University of Iasi, 700050 Iasi, Romania
2. National Research and Development Institute for Cryogenic and Isotopic Technologies—ICSI Rm. Vâlcea, Uzinei Street, No. 4, P.O. Box 7 Râureni, 240050 Ramnicu Valcea, Romania
3. Faculty of Electrical Engineering and Computer Science, Stefan cel Mare University of Suceava, 720229 Suceava, Romania
4. Doctoral School Polytechnic, University of Bucharest, 060042 Bucharest, Romania
5. Department Telematics and Electronics for Transports, University “Politehnica” of Bucharest, 060042 Bucharest, Romania
6. Faculty of Civil Engineering, Technical University of Cluj-Napoca, Constantin Daicoviciu Street, No. 15, 400020 Cluj-Napoca, Romania
7. Faculty of Building Services Engineering, Technical University of Cluj—Napoca, Bd. 21 Decembrie 1989, No. 128-130, 400604 Cluj-Napoca, Romania