An Experimental Investigation on Energy Performance of The Hybrid Photovoltaic Thermal SystemShahrokh Barati, Livio de Santoli, Gianluigi Lo Basso, Antonio Galizia and Giulia SpiridigliozziE3S Web Conf., 197 (2020) 08003DOI: https://doi.org/10.1051/e3sconf/202019708003