1. Department
of Engineering, University of Bergamo, Viale Marconi 5, 24044 Dalmine (BG), Italy
2. Laboratory
of Thermodynamics in Emerging Technologies, Mechanical and Process
Engineering Department, ETH Zurich, Sonneggstrasse 3, 8092 Zurich, Switzerland
3. Department
of Mechanical Engineering, York University, Toronto, Ontario M3J 13P, Canada