Ciro Aprea (PhD) is a Full Professor of Applied Thermodynamics and the Research Supervisor of the Refrigeration Lab at the Department of Industrial Engineering of the University of Salerno (Italy). He is Professor of Energy course and of Refrigeration Technology for Mechanical Engineering students. He is co-Author of more than 90 international scientific papers. His research activities are focused on the vapour compression systems, the magnetic refrigeration, the employment of the carbon dioxide as a refrigerant, and the use of the phase change materials for the cold storage.