Performance evaluation of R-1234yf as alternative to R-22 for date fruit drying machineHifni Mukhtar Ariyadi, Yurian Ariandi Andrameda, Ardi Jati Nugroho Putro, Dhanang Sulistio Aji and Nyayu AisyahE3S Web Conf., 605 (2025) 01003DOI: https://doi.org/10.1051/e3sconf/202560501003