1. Department of Engineering Thermodynamics, National University of Science and Technology Politehnica Bucharest, 060042 Bucharest, Romania
2. Lab Energet Mech & Electromagnetism (LEME), University of Paris Nanterre, 50 Rue Sevres, F-92410 Ville d’Avray, France
3. Department of Thermodynamics, Technical University of Cluj-Napoca, 400114 Cluj-Napoca, Romania
4. Academy of Romanian Scientists, Ilfov 3, 050044 Bucharest, Romania