The influence of free surface tanks with partially raised bottom on ship roll damping was discussed. The purpose of the introduction of a cambered shoal in the rectangular free surface tank was explained. The effect of a roll damping tank on the rolling motion of the ship was shown qualitatively by a simplified theoretical treatment. The results of an extensive series of bench tests with tank models were presented. On the basis of the theoretical approach mentioned above and the test results, a practical example was worked out. It was concluded that the introduction of a partially raised bottom in the rectangular free-surface tank contributes to ship roll damping, especially in ships with relatively low metacentric heights. (Author)


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    Title :

    Roll Damping by Free Surface Tanks with Partially Raised Bottom


    Contributors:

    Publication date :

    1974


    Size :

    70 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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