Newport News Shipbuilding (NNS) has been preparing for a reentry into the commercial shipbuilding market for several years. Those preparation resulted in the signing of a contract in October of 1994 with Eletson corporation for the construction of two (with an option for an additional two) 46500 dwt product carriers. This is the first contract for a U.S. shipyard tobuild commercial ships for a foreign owner in 37 years. In developing thehull form for the standard product carrier Double Eagle, NNS performed studies to determine the economic and hydrodynamic effects of alternative bow configurations on a representative modern, high-block tanker. The objectives of the study were to update the NNS commercial ship speed-power database, investigate the application of state of the art computer software, and create a bow design which strikes a balance between hydrodynamic performance and producibility. To achieve these goals, NNS worked with SAIC to use the computational fluid dynamics (CFD) SLAW software to mathematically analyze several candidate bows. These designs were then model tested at theSwedish State Model Basin in Gothenburg to validate the results of the CFD codes. Construction costs were then estimated for each design and finally, the bow forms were compared on an overall economic basis.


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    Titel :

    A comparison of alternative bow configurations


    Weitere Titelangaben:

    Ein Vergleich von alternativen Bugformen


    Beteiligte:
    Stromgren, C. (Autor:in)

    Erschienen in:

    Marine Technology ; 32 , 3 ; 224-230


    Erscheinungsdatum :

    1995


    Format / Umfang :

    7 Seiten, 12 Bilder, 5 Tabellen, 13 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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