摘要
随着海洋资源开发的深入,作为海洋资源开发的主要工具,深水半潜式平台及其相关研究越来越受到重视。为了给实际工程中深水平台的定位系统布置提供参考,着手研究不同锚链布置方式对深水半潜式平台的定位能力的影响,针对较为新颖的锚泊辅助动力定位系统,研究了锚泊系统布置方式的变化对整个系统的定位能力,功率消耗等的影响程度。从一艘半潜式平台入手,分别对两种不同锚链布置方式下的锚泊辅助动力定位系统进行全动态时域模拟,从而得到在不同的迎浪角度下平台的水平偏移以及总功率消耗的时历曲线,并归纳其统计值进行比较。分析结果得知,增加锚链数量能够增强系统的定位能力。平台越趋于横浪时,增加锚链数量的辅助定位效果越明显,能耗越小,经济性越好。所作研究为实际工程中锚泊辅助动力定位系统的设计,提供了一定的借鉴和参考。
The research focuses on the impact of mooring line arrangement for a mooring-assisted dynamic positioning system and analyzes the behaviors of the system in its positioning ability and power consumption under different mooringline arrangements for the first time.The article uses a semi-submersible platform as an example.Time domain simulation is used to analyze the positioning system and to compare its behaviors under two different mooring line arrangements.Then the horizontal offset and power consumed as well as their statistic values are analyzed.From the result we can see that more mooring lines benefits the positioning system in general and the effect is more profound when the heading direction of a semi-submersible platform is more vertical to wave direction,which indicates less energy consumption and more profits.The result can be easily introduced into engineering practice and provide designers with useful information when designing a mooring-assisted dynamic positioning system.
出处
《实验室研究与探索》
CAS
北大核心
2014年第5期5-8,61,共5页
Research and Exploration In Laboratory
基金
国家自然基金资助项目(51179103)
工信部高技术船舶科研项目
关键词
锚泊辅助动力定位
时域模拟
半潜式平台
锚链布置方式
mooring assisted dynamic positioning system
time domain simulation
semi-submersible platform
mooring line arrangement
