大型船舶浅水操纵特性

Journal of Ship Mechanics(2009)

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Abstract
大型船舶在浅水中操纵水动力和附加质量急剧增大是引起回转能力下降的主因,该文就75 000吨级散货船为实例,预报其在各种水深吃水比H/d下操纵性能.文中介绍了操纵运动方程,船体、桨、舵水动力的计算表达,计算船的要素,计算工况及项目.计算结果表明,随H/d减小,相应工况下的无因次战术直径、纵距及初转期都增大,而超越角有所减小,因此该船舶随H/d减小,其回转能力下降,而纠向和保持航向能力有所改善.
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Key words
Large-scale ship,Maneuvering performance,Shallow water
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