This report contains experimental and analytical predictions of the seakeeping characteristics applicable to the DD 993 in accordance with a ship displacement of 8000 tons. Random wave experimental results are presented for various sea states at various ship speeds and headings. Roll motions are predicted for irregular, short-crested seas for various sea states at various ship speeds and headings. Roll is largest at the 70 degree heading; while the 100 degree heading results in the largest heave. For the IIN DD 993, there are no performance requirements for seakeeping. Those predictions contained in this report are provided for ship operator information.


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    Title :

    Imperial Iranian Navy DD 993 Class Seakeeping Report


    Contributors:
    D. McCallum (author)

    Publication date :

    1976


    Size :

    22 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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