Methods of channel calculations to improve the operational mode of main canalsA. B. Saparov, S. K. Khidirov, A. B. Khalimbetov, A. T. Djumanazarova, Sh. B. Tolepova and A. R. SeitmuratovE3S Web of Conf., 410 (2023) 05035DOI: https://doi.org/10.1051/e3sconf/202341005035