Data obtained by ship instrumentation from a few simple trials of the EXXON PHILADELPHIA (75,000 DWT) during a routine voyage was analyzed with the system identification techniques. This resulted in a reliable 'measurement' of the full scale resistance, wake fraction, thrust deduction factor, propeller thrust and the linear and non-linear coefficients in the maneuvering equations of motion. Comparison between these full-scale measurements and those obtained through extrapolation of scaled model test results indicated significant scale effect. The authors believe that this successful 'measurement' of the resistance of a large ship is a first.


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    Titel :

    Measurement of Ship Resistance, Powering and Maneuvering Coefficients of the 'EXXON PHILADELPHIA' from Simple Trials during a Regular Voyage


    Beteiligte:
    M. A. Abkowitz (Autor:in) / G. Liu (Autor:in)

    Erscheinungsdatum :

    1990


    Format / Umfang :

    87 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch