月池开放和封闭状态下钻井船阻力性能试验研究

姚智; 李德江; 徐刚; 马勇

doi:10.19693/j.issn.1673-3185.02553

月池开放和封闭状态下钻井船阻力性能试验研究

doi: 10.19693/j.issn.1673-3185.02553

姚智^1,,
李德江²,
徐刚^3,,
马勇^{1, 4, ,}

1.
中山大学海洋工程与技术学院，广东珠海，519082
2.
中集海洋工程有限公司，广东深圳，518066
3.
江苏科技大学船舶与海洋工程学院，江苏镇江，212100
4.
南方海洋科学与工程广东省实验室（珠海），广东珠海，519082

基金项目: 国家自然科学基金资助项目(51779062,52071348)，广东省自然资源厅促进经济高质量发展重点资助项目(GDOE[2020]026)，南方海洋科学与工程广东省实验室（珠海）创新团队建设资助项目(311021014)

详细信息

作者简介:
姚智，男，1994年生，博士。研究方向：船舶与海洋工程结构物水动力性能。E-mail：yaozh23@mail2.sysu.edu.cn

徐刚，男，1981年生，博士，教授。研究方向：海洋环境、海洋工程和舰船非线性载荷预报。E-mail：g.xu@just.edu.cn

马勇，男，1980年生，博士，教授。研究方向：海洋可再生能源利用。E-mail：mayong3@mail.sysu.edu.cn

通信作者:
马勇

中图分类号: U661.31⁺1
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出版历程
- 收稿日期: 2021-10-11
- 修回日期: 2022-01-22
- 网络出版日期: 2022-09-02
- 刊出日期: 2023-04-28

Experimental study of drillship resistance performance in open and closed state of moonpool

YAO Zhi^1
,,
LI Dejiang²,
XU Gang^3
,,
MA Yong^{1, 4
, ,}

1.
School of Marine Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
2.
CIMC Offshore Engineering Co., Ltd., Shenzhen 518066, China
3.
School of Naval Architecture and Ocean Engineering. Jiangsu University of Science and Technology, Zhenjiang 212100, China
4.
Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), Zhuhai 519082, China

月池开放和封闭状态下钻井船阻力性能试验研究由姚智，等创作，采用知识共享署名4.0国际许可协议进行许可。

摘要

摘要: 目的为分析多功能钻井船月池封闭或开放状态下月池结构对船体阻力性能的影响，开展带月池结构的钻井船模型水池试验。方法以某多功能钻井船为例，研究在规则波和不规则波下的船舶运动响应。试验中，通过挂钩连接拉力传感器测量船模在静水和波浪中的阻力，利用加速度传感器分析船首、舯和船尾的加速度特性。结果结果表明：在轻载工况及月池开放时，船舶阻力较大；在设计载重工况及月池封闭时，船舶静水阻力较大。在规则波下，月池封闭使船尾加速度降低了58.2%，船首阻力降低了46.7%，垂荡运动响应最大幅值减小41.8%；在不规则波下，船首阻力峰值约为船尾的10倍，相比于月池封闭时，在相同时间内月池开放时阻力峰值出现的次数更多。结论研究表明，设计载重工况的差异使船体水线面面积改变，影响了船舶静水阻力，而月池封闭不仅降低了船舶运动加速度及阻力，而且有效改善了纵摇及垂荡运动响应幅值，这为带月池结构的钻井船结构型式的设计提供了数据支撑。
- 钻井船 /
- 阻力特性 /
- 封闭月池 /
- 拖曳水池试验
Abstract: Objective This paper carries out an experimental study of a multi-function dirllship model with moonpool structure in towing tank, aiming at analyzing the effects of the moonpool structure on the ship resistance in open and closure condition. Methods Taking a dirllship as the research object, the ship motion response in regular and irregular waves is investigated. The resistance of the ship in hydrostatic water and waves is measured with tension sensors, and the acceleration characteristics of the bow, midship and stern are analyzed by acceleration sensors. Results The results indicate that hull resistance under light load conditions is greater when open moonpool, while hydrostatic water resistance with closed moonpool is greater under design load conditions. The closed moonpool in regular waves reduces stern acceleration by 58.2%, bow resistance by 46.7% and heave response by 41.8%. The peak of resistance at the bow in irregular waves is about ten times higher than that at the stern, and the peak of resistance occurs more often when the moonpool is open at the same time. Conclusions The experimental study shows that the difference in load conditions changes the waterplane area and affects the hull resistance in hyrostatic water. In contrast, the closure of the moonpool not only reduces acceleration and resistance, but also improves surge and heave. As such, this paper can provide references for the structural design of drillships with moonpools.
- drillship /
- resistance characteristics /
- open/closed moonpool /
- test in towing tank

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图 1 多功能钻井船试验模型

Figure 1. Test model of the multi-function drillship

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图 2 测量系统

Figure 2. Measurement system

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图 3 试验模型固定及传感器布置

Figure 3. Fixation and arrangement of sensors on the test model

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图 4 航速0.965 m/s时船首俯视图

Figure 4. Top view of the bow when V=0.965 m/s

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图 5 静水下月池封闭和开放的船舶阻力随航速的变化曲线

Figure 5. Variation of ship resistance with speed in hydrostatic waves when the moonpool is in open and closed state

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图 6 规则波下船舶加速度时历曲线（H=0.102 m，T_p=1.54 s，β=0°，V=0.965 m/s）

Figure 6. Time histories of ship acceleration in regular waves when H=0.102 m, T_p=1.54 s, β=0°, V=0.965 m/s

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图 7 规则波下船舶阻力时历曲线（H=0.102 m，T_p=1.54 s，β=0°，V=0.772 m/s）

Figure 7. Time histories of ship resistance in regular waves when H=0.102 m, T_p=1.54 s, β=0°, V=0.772 m/s

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图 8 规则波下船舶阻力时历曲线（H=0.102 m ，T_p=1.54 s，β=0°，V=0.965 m/s）

Figure 8. Time histories of ship resistance in regular waves when H=0.102 m, T_p=1.54 s , β=0°, V=0.965 m/s

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图 9 典型海况下船舶运动响应时历曲线（H=0.102 m ，T_p=1.54 s，β=0°，V=0.772 m/s）

Figure 9. Time histories of ship motion response in typical sea state when H=0.102 m, T_p=1.54 s, β=0°, V=0.772 m/s

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图 10 典型海况下船舶运动响应时历曲线（H=0.102 m ，T_p=1.54 s，β=0°，V=0.965 m/s）

Figure 10. Time histories of ship motion response in typical sea state when H=0.102 m, T_p=1.54 s, β=0°, V=0.965 m/s

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图 11 不规则波下船舶阻力时历曲线（H=0.102 m，T_p=1.54 s，β=0°，V=0.772 m/s）

Figure 11. Time histories of ship resistance when H=0.102 m，T_p=1.54 s，β =0°，V=0.772 m/s

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图 12 不规则波下船舶阻力时历曲线（H=0.102 m，T_p=1.54 s，β=0°， V=0.965 m/s）

Figure 12. Time histories of ship resistance when H=0.102 m，T_p=1.54 s，β=0°, V=0.965 m/s

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图 13 典型海况下船舶运动时历曲线（H=0.102 m，T_p=1.54 s，β=0°，V=0.772 m/s）

Figure 13. Time histories of ship motion in typical sea state when H=0.102 m, T_p=1.54 s，β=0°, V=0.72 m/s

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图 14 典型海况下船舶运动时历曲线（H=0.102 m，T_p=1.54 s，β=0°, V=0.965 m/s）

Figure 14. Time histories of ship motion in typical sea state when H=0.102 m, T_p=1.54 s, β=0°, V=0.965 m/s

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表 1 钻井船主尺度

Table 1. Main dimensions of the drillship

参数	模型值	实际值
船体总长 /m	3.379	216.282
垂线间长/m	3.251	208.000
型宽 /m	0.503	33.999
型深 /m	0.258	16.500
设计吃水/m	0.148	9.500
设计载重/t	0.15	40 303.00
轻载吃水/m	0.133	8.500
轻载排水量/t	0.132	35 569.000
纵摇惯性矩/(J·kg⁻¹·cm⁻¹·s⁻²)	724.16	−
月池尺度(L×W×H)/m	0.562 5×0.187 5× 0.257 8	36.000 0×12.000 0×16.500 0
轻载重心(LCG, TCG, VCG)/m	(1.344, 0.002, 0.149)	(79.670, 0.110, 9.580)
设计载重重心(LCG, TCG, VCG)/m	(1.344, 0.002, 0.134)	(79.670, 0.110, 8.580)

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表 2 加速度传感器坐标

Table 2. The mounting positions of acceleration sensors

加速度传感器所在位置	模型中坐标值/ m
船首	(3.35, 0, 0.20)
舯	(1.45, 0, 0.20)
船尾	(0, 0, 0.20)

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表 3 规则波迎浪船模阻力试验工况

Table 3. Ship model resistance test conditions in regular waves

船模状态	工况	实船速度/kn	船模速度/（m·s⁻¹）
月池封闭	E01	3	0.193
	E02	5	0.322
	E03	7	0.450
	E04	9	0.579
	E05	11	0.707
	E06	12	0.772
	E07	13	0.836
	E08	14	0.900
	E09	15	0.965
月池开放	F01	3	0.193
	F02	5	0.322
	F03	7	0.450
	F04	9	0.579
	F05	11	0.707
	F06	12	0.772
	F07	13	0.836
	F08	14	0.900
	F09	15	0.965

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表 4 不规则波迎浪船模阻力试验工况

Table 4. Ship model resistance test conditions in irregular waves

船模状态	工况	实船速度/kn	船模速度/（m·s⁻¹）
月池封闭	I06	12	0.772
	I07	13	0.836
	I08	14	0.900
	I09	15	0.965
月池开放	J06	12	0.772
	J07	13	0.836
	K08	14	0.900
	K09	15	0.965

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