There are clear indications that the sea transport of solid and liquid bulk cargo will further grow in the near future. Due to the transport of crude oil out of arctic and sub-arctic regions there is an increasing demand of tanker tonnage suitable for sailing in ice.

    The operation of bulk carriers and tankers are characterized by two very different loading conditions, fully loaded and on ballast. For both loading conditions the hydrodynamic problems have to solved and the performance of the vessel has to be optimised.

    Due to the large block coefficient of these vessels, special attention is required for the course stability problem.

    For large tankers and bulkers (>100 TDWT) the main engine power installed for economic open water speed is insufficient to fulfil the power requirement of Ice Class 1B of the (FSICR).

    By means of ice model tests it has been proven that large tankers can cope with the brash ice resistance specified in the FSICR with significantly less propulsion power than stipulated in the rules. To achieve the transit performance required by the Ice class 1 B with a fixed pitch propeller the normal engine load range is often insufficient. By using engines with extended load range or CP propellers the power output can be significantly increased so that at least the ice performance required for Ice Class 1 B can be achieved with the same main engine size needed for open water performance.


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    Titel :

    Bulker und Tanker im offenen Wasser und im Eis


    Beteiligte:

    Erschienen in:

    Erscheinungsdatum :

    2006-01-01


    Format / Umfang :

    10 pages





    Medientyp :

    Aufsatz/Kapitel (Buch)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch