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  • Bocheński, Damian (Scientific Journals of the Maritime University of Szczecin, Zeszyty Naukowe Akademii Morskiej w Szczecinie, 2009)
    The article presents results of operation investigations regarding one of the most important receivers of mechanical energy on dredgers: propellers. Operation investigations covered measurements of characteristic parameters of loading propellers on dredgers in two basic conditions of their work: dredging works and sailing at sea. Presented results are based on 10 dredgers (8 trailing suction hopper dredgers and 2 bucket dredgers). In the paper characteristics of spread of propellers loading, i.e. average value, standard deviation and coefficients of variations of loading spred are presented. Examples of load distribution propellers on chosen dredgers during some period of time are shown as well. Conclusions are formulated regarding average value of propellers loading and coefficients of variations of loading spred. Results presented in the paper will be used as a base for creation of random models describing real conditions of operation of dredgers’ power plants.

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