TY JOUR TI MEASURES TO ENSURE EFFICIENT OPERATION OF SPP AND REDUCTION OF EMISSIONS TO THE ATMOSPHERE BY OPTIMIZING THE HYDRODYNAMIC PROCESSES OF THE ELEMENTS OF THE SHIP'S PROPULSION COMPLEX KW vessel energy-efficiency KW efficient operation of SPP KW fuel consumption KW propeller-steering gro^ KW hull resistance KW hull fouling KW roughness KW Hydrodynamic Improvement Devices (HIDs) KW air emissions KW greenhouse gases JO Operation of Maritime Transport AU Ogurtsov, D.V. AU Koperchak, O.P. AU Khalilov, N.A. PY 2023 IS 0 PB Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”