船艏及干舷压浪在高速艇上的应用对比

魏成柱; 李英辉; 易宏

doi:10.3969/j.issn.1673-3185.2017.01.003

船艏及干舷压浪在高速艇上的应用对比

doi: 10.3969/j.issn.1673-3185.2017.01.003

魏成柱^{1, 2},
李英辉¹,
易宏²

1.
上海交通大学海洋工程国家重点实验室, 上海 200240
2.
高新船舶与深海开发装备协同创新中心, 上海 200240

基金项目:

上海交通大学海洋工程国家重点实验室自主研究课题 GKZD010061

详细信息

作者简介:
魏成柱, 男, 1987年生, 博士生

李英辉, 男, 1973年生, 博士, 讲师。研究方向:新型船舶开发和数值计算

易宏(通信作者), 男, 1962生, 教授, 博士生导师

中图分类号: U661.3
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- 文章访问数: 586
- HTML全文浏览量: 93
- PDF下载量: 245
- 被引次数: 0
出版历程
- 收稿日期: 2016-07-14
- 网络出版日期: 2016-12-28
- 刊出日期: 2017-01-07

Effect of bow spray strips and Ω-type freeboard on high-speed boats

1.
State Key Laboratory of Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2.
Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai 200240, China

船艏及干舷压浪在高速艇上的应用对比由魏成柱，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: 快艇在高速航行时会产生剧烈的艏部兴波和干舷淹湿问题，通常需要采用适当的压浪措施来控制这些不利因素。为进一步研究干舷压浪技术在高速艇上的应用效果并与船艏压浪技术进行对比，基于某一细长高速穿浪船，对比这2种压浪技术对船体兴波、淹湿、运动、稳性和高速下横倾回复力矩的影响。船体淹湿、阻力和船体运动通过求解URANS方程和使用动网格技术获得，高速下的横倾回复力矩也通过求解URANS方程获得。计算结果表明，2种压浪技术均能有效控制船体淹湿，但干舷压浪设计能在船长范围内控制船体淹湿并具有更好的初稳性，在高速下也有更大的横倾回复力矩。自航模试验也验证了压浪干舷的可行性和良好性能。
- 高速艇 /
- 干舷压浪 /
- 船体淹湿 /
- 稳性 /
- 横倾回复力矩 /
- 数值水池试验
Abstract: A high-speed boat may encounter severe wave-making at the bow and become wetter at high speed. Some measures can be taken to overcome these disadvantages. In order to compare the effect of bow spray strips and Ω-type freeboards on a high-speed boat, hull wetness, resistance, hull motion, stability and the restoring moment of the heel at high speed of models with these two kinds of auxiliaries were calculated and measured. CFD methods and model tests were adopted. Both of these two auxiliaries can reduce hull wetness, and the model with a Ω-type freeboard has a better initial stability and larger restoring moment of the heel at high speed. A free running model test also indicates that the Ω-type freeboard has a fine performance.
- high-speed boat /
- Ω-type freeboard /
- hull wetness /
- stability /
- restoring moment of heel /
- numerical tank test

HTML全文

图 1 2种压浪方案的船体横剖线和侧向轮廓线

Figure 1. Hull sections and side profiles of two methods

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图 2 计算域设置和网格剖面

Figure 2. Computational domain settings and meshes

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图 3 计算方法验证

Figure 3. Experimental verification of the calculation method

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图 4 2种方案下的船体兴波和飞溅对比

Figure 4. Comparison between wave-making and spray with two methods

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图 5 2种方案下的船体表面淹湿对比

Figure 5. Comparison of the wetted hull surface with two methods

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图 6 2种方案在高速下的兴波及模型试验结果

Figure 6. Wave-making, spray and results of model test at high speed with two methods

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图 7 2种方案下的阻力和运动对比

Figure 7. Comparison of hull drag and motion with two methods

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图 8 2种方案下的初稳性对比

Figure 8. Comparison of initial stability with two methods

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图 9 2种方案下的储备浮力对比

Figure 9. Comparison of reserve buoyancy with two methods

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图 10 2种方案在高速下的横倾回复力矩对比（Fn=1.630）

Figure 10. Comparison of hull restoring moment of heel at high speed with two methods (Fn=1.630)

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图 11 2种方案下船体兴波和淹湿对比（横倾15°）

Figure 11. Comparison between wave-making, spray and hull wetness with two methods (heel angle is 15°)

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图 12 自航模高速转弯

Figure 12. A free-running model turning at high speed

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表 1 计算模型主尺度

Table 1. Main dimensions of the hull model

项目	数值
总长L_oa/ m	2.746
水线长L/ m	2.708
水线宽B/ m	0.333
吃水T/m	0.133
质量M/t	0.047

下载: 导出CSV

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