The roll motion of a damaged ship immediately after a sudden flooding of one room, but before crossflooding is finshed, is investigated. The flow through the cross-flow duct and the air escape from the cross-flow room are modeled including some damping. The water volume in the flooded room is assumed either fixed or at equilibrium with the outer water. Sloshing, and seaway are excluded. The coupled air, water and roll motion are solved numerically and presented for a 133.5 m lomg RoRo ship (RoRo: roll-on/roll-off). The variations of peak values of the flooding-induced roll angle with tank size, cross-flow duct area, area of air escape pipe etc. are investigated. Regression formulae are presented for the maximum flooding-induced roll angle.


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    Title :

    A dynamic model for roll motion of ships due to flooding


    Additional title:

    Ein dynamisches Modell von durch Flutungsvorgängen hervorgerufenen Rollbewegungen von Schiffen


    Contributors:
    Xia, J. (author) / Jensen, J.J. (author) / Pedersen, P.T. (author)

    Published in:

    Publication date :

    1999


    Size :

    9 Seiten, 11 Bilder, 2 Tabellen, 5 Quellen



    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English





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