Described here are the results of model tests on resistance to ship-hull motion through a thick layer of ice rubble; layer thickness was 45% rubble size on ice-rubble resistance. It was found that as ice-rubble size increased so did the resistance encountered by the test hull. However, it was found also that a layer of mush ice produced a greater resistance than did layers comprised of ice blocks. Ship resistance generally increased with increasing ship speed. However, the relationships between component resistance terms, ship speed and ice-rubble size were found to be somewhat more complex.


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    Title :

    Model Tests on Ice-Rubble Size and Ship Resistance in Ice Rubble


    Contributors:
    R. Ettema (author) / M. Matsuishi (author) / T. Kitazawa (author)

    Publication date :

    1985


    Size :

    94 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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