1. Norwegian University of Science and Technology (NTNU), Department of Energy and Process Engineering, Kolbjørn Hejes vei 1B, NO-7491 Trondheim, Norway
2. SINTEF Energy Research, Postboks 4761 Sluppen, NO-7465 Trondheim, Norway
3. University of Belgrade, Faculty of Mechanical Engineering, Kraljice Marije 16, 11000 Belgrade, Serbia