Development of Improving System for Rolling and Maneuverability of a Displacement-Type Super High Speed Container Ship

排水型超高速集装箱船横摇操纵性改进系统的研制

• 批准号: 08555243
• 负责人: HIRAYAMA Tsugukiyo
• 金额: $ 5.44万
• 依托单位: Yokohama National University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 1996
• 资助国家: 日本
• 起止时间: 1996 至 1998
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-08555243/
• 关键词: Super High Speed Ship; Rolling; Control; Maneuverability; Fin; Moment of Inertia; 超高速線; 排水量型

In recent years, super high speed large container ships are planned. In those ships, the transverse stability is considered to be weak, so that will disturb the performance of those ships. For this reason, the improvement of transverse stability is important for high speed displacement-type ship. In the same time list or heel by maneuver cannot be ignored, so this problem must be treated relating maneuvering characteristics simultaneously.In this research, we proposed three anti-rolling systems and confirmed their feasibility by carried out numerical and physical simulations. One is downward vertical center fin, second is vertical upward air fin and the third is gyradius controlling system. For improvement of maneuverability simultaneously, we treated equation of motion with four degrees of freedom, namely surge, sway, yaw and roll.In gyradius control system, small weight is controlled vertically, changing the transverse moment of inertia of the ship. Of course, this system changes the vertical position of the center of gravity of the ship , so the parametric oscillation must be avoided. As conclusion, those three systems were proved to be efficient system for improving rolling characteristics in waves.

近年来，计划了超高速大型集装箱船。在这些船只中，横向稳定性被认为是弱的，因此会干扰这些船只的性能。因此，改善横向稳定性对于高速位移型船很重要。在同一时间清单或操纵脚跟上，不能忽略该问题，以同时处理与操纵特征有关的问题。在这项研究中，我们提出了三个反滚动系统，并通过进行数值和物理模拟来确认它们的可行性。一个是向下的垂直中心鳍，其次是垂直向上的空气鳍，第三个是Gyradius控制系统。为了同时提高可操作性，我们以四个自由度（即激增，摇摆，偏航和滚动）处理运动方程。在Gyradius Control System中，垂直控制小重量，改变了船舶惯性的横向横向力矩。当然，该系统改变了船的重心的垂直位置，因此必须避免参数振荡。总结，事实证明，这三个系统是改善波浪滚动特性的有效系统。