小型高速艇へのAnti-Pitching Tankの装備計画とその評価(続)

概要

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The paper deals with the detail investigations of the pitch-stabilizing performance of a high speed small craft equipped with the Anti-Pitching Tank which has been shown in the former report. The pitch-stabilizing apparatus is constructed in the forepeak tank of the boat, which behaves itself like a partially-filled sea-ducted tank, and then the apparatus is activated in this paper. The governing equations for heaving and pitching motions of the boat in regular waves are proposed in the consideration of the behavior of the anti-pitching tank on the basis of the Watanabe's theory (U-tube theory) and the Ordinary Strip Method, and the governing equations of heave and pitch for the activated case are also proposed. For the assesment of pitch-stabilizing performance, vertical motion, vertical velocity, vertical acceleration and jerk on ship hull are calculated and used. By the calculated results, it is confirmed that an activated anti-pitching tank is a useful pitch-stabilizing device for a high speed boat.
社団法人日本船舶海洋工学会の論文
1994-03-29