Piero Bevilacqua - Department of Mechanical, Energy and Management Engineering, University of Calabria, Cosenza, Italy, Domenico Mazzeo - Department of Mechanical, Energy and Management Engineering, University of Calabria, Cosenza, Italy, Roberto Bruno - Department of Mechanical, Energy and Management Engineering, University of Calabria, Cosenza, Italy, Natale Arcuri - Department of Mechanical, Energy and Management Engineering, University of Calabria, Cosenza, Italy