%0 Journal Article %T Analysis parameters for vessel’s prohulsive coefficient calculation. role in environmental protection %A Koperchak, O.P. %A Ogurtsov, D.V. %A Khalilov, N.A. %K Propulsion unit, vessel hull, main engine, shaft line, propulsion, ship design, greenhouse gases, economic and environmental factors, power system, environment, propulsion efficiency %J Operation of Maritime Transport %D 2020 %N %P 4 %I Budget Educational Institution of Higher Education “Admiral Ushakov State Maritime University”