The methodological foundations of the thermal efficiency in a convective drying unit of the chamber typeOrifjon Rakhmatov, Firdavs Rakhmatov, Ermamat Kurbanov, Ravshan Rakhmatullaev, Ablyakul Kasimov and Nozima MusayevaE3S Web of Conf., 390 (2023) 04041DOI: https://doi.org/10.1051/e3sconf/202339004041