Improving photovoltaic module efficiency using water sprinklers, air fans, and combined cooling systems Ismail Al-Masalha, Abdel Salam Alsabagh, Omar Badran, Naim Alkawaldeh, Taiseer M. Abu-Rahmeh and Aiman Al Alawin EPJ Photovolt., 15 (2024) 41 Published online: 02 December 2024 DOI: 10.1051/epjpv/2024037