Flow Model for Flooding Simulation of a Damaged Ship

Abstract

In this paper, new models for vented compartments and an accumulator model were proposed, which can adjust the inner pressure automatically, even for systems with many compartments and openings. The dynamic-orifice equation was investigated for use in the case of large openings, so that the ripples in the air pressure that had been caused by the square-root singularity of the existing orifice equation could be eliminated. In addition, some models of flow between compartments were investigated, so that the simulation could reflect more realistic situations. Application to a recent real accident validated the effectiveness of the proposed models. for use in the case of large openings, so that the ripples in the air pressure that had been caused by the square-root singularity of the existing orifice equation could be eliminated. In addition, some models of flow between compartments were investigated, so that the simulation could reflect more realistic situations. Application to a recent real accident validated the effectiveness of the proposed models.