考虑内孤立波的钻井船动力定位能力分析
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Dynamic Positioning Capability Analysis for Drilling Ship Considering Internal Solitary Waves
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    摘要:

    采用自主编写的动力定位分析程序,以某钻井船为例,将内孤立波计入环境载荷进行动力定位能力计算并与传统动力定位能力结果对比,根据计算结果绘制动力定位能力曲线,获得钻井船的作业窗口,发现内孤立波对钻井船动力定位能力有着较大影响,尤其波向在30°,45°和135°,150°影响最为显著。结合推进器失效工况对钻井船动力定位能力进行评估,提出钻井船遭遇内孤立波时的海上操作建议。

    Abstract:

    Self written DP analysis program is used. Taken a drilling ship as an example, the internal solitary wave is included in the environmental load for DP capability calculation and the result is compared with that of the traditional DP capability. According to the calculation results, DP capability curve is drawn, and the working window of the drilling ship is obtained. It is found that the internal solitary wave is of a great influence on the DP capability of the drilling ship, and the most obvious impact is in the wave direction of 30°,45° and 135°,150°. DP capability of the drilling ship is evaluated in combination with the failure condition of the propeller, and the suggestion of the offshore operation of the drilling ship encountering the internal solitary wave is proposed.

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赵亮,汪学锋,徐胜文,纪传鹏.考虑内孤立波的钻井船动力定位能力分析[J].中国海洋平台,2020,(05):

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  • 在线发布日期: 2020-11-06