The purpose of this project is to establish calculation basis for design of auxiliary sails on ships, with regard to sail type, sail effect on ship energy saving and sail effect on ship stability. The project comprehended wind tunnel tests with 3 ship models and 3 different sail arrangements in order to measure wind loads on the ships and sails. Special computer programs have been developed for determination of potential energy savings on the basis of combined sail measuring results wind-statistical data and hydrodynamic data. The investigated sail-types are: the traditional triangular foresail, a rectangualr curved canvas sail on a pivotal mast and a wing profile with constant cross-section geometry of NACA 0015 type known from the aircraft industry. First results seem to indicate that large trawlers, tanker ships up to 60,000 tdw and dry cargo ships up to 60,000 tdw can achieve substantial energy savings by using auxiliary sail arrangements. (ERA citation 12:011551)


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    Titel :

    Basic Material for Auxiliary Sails on Ships


    Beteiligte:
    P. Ingham (Autor:in)

    Erscheinungsdatum :

    1985


    Format / Umfang :

    117 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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