RETRACTED: Study of hydrodynamic and thermal parameters of the air flow of a solar air heating collectorMirsoli Uzbekov, Bekzod Boynazarov, Javlonbek Madaminov, Feruza Nasretdinova, Zuhriddin Hamidjonov and Abduvokhid AbdullayevE3S Web Conf., 538 (2024) 01026DOI: https://doi.org/10.1051/e3sconf/202453801026