1. Department of Energy, Politecnico di Milano, via Lambruschini 4, 20156 Milan, Italy
2. Laboratorio Energia e Ambiente Piacenza (LEAP), via Nino Bixio 27/C, 29121 Piacenza, Italy
3. Mines ParisTech, PSL University, CTP─Centre of Thermodynamics of Processes, 35, rue Saint Honoré, 77305 Fontainebleau Cedex, France