Study on motions of a sailing boat

帆船运动的研究

基本信息

  • 批准号:
    04452215
  • 负责人:
  • 金额:
    $ 1.6万
  • 依托单位:
  • 依托单位国家:
    日本
  • 项目类别:
    Grant-in-Aid for General Scientific Research (B)
  • 财政年份:
    1992
  • 资助国家:
    日本
  • 起止时间:
    1992 至 1993
  • 项目状态:
    已结题

项目摘要

Research works on sailing boats have a long history, but they are only empirical based on experiences of good sailors and designers. One of the exception is research for America's cup. Even that research is just on steady sailing performance. This research is on unsteady performance such as tacking and pitching, which are crucial for yacht races and ocean cruise. The following results are obtained.1.We developed the tacking simulator based on a mathematical model of four degrees of freedom of motion considering hydrodynamic forces acting on the heeled asymmetrical hull.2.We developed the identification method of the main unsteady hydrodynamic force coefficients of the mathematical model utilizing the recorded motion of the boat tested in real sea.3.We developed the measuring system of the boat motion tested in real sea, and measured it in good accuracy.4.The direction of the wind fun of the basin with wave, wind and current was rearranged in order to carry out free running tests of a radio controled sailing boat model. Speed reduction of the boat due to incident waves was measured. The mechanism of the speed reduction was investigated.5.Forced pitching tests of the sail were carried out in the wind tunnel. Added masses, damping coefficients and lift reduction were measured, and compared with newly developed strip theory based on 2-D oscillating wing theory.Furthermore FRP sandwich structures were analyzed by FEM in order to obtain light, rigid and strong hulls. Partial structures were made to confirm the applicability of the theory as well as to obtain practical production know-how.
关于帆船的研究工作已经有很长的历史了,但它们只是基于优秀水手和设计师的经验的经验。其中一个例外是针对美洲杯的研究。即使是这项研究也只是关于稳定的航行表现。这项研究是关于非定常性能,如追尾和俯仰,这是帆船比赛和远洋巡航的关键。研究结果如下:1.建立了考虑水动力作用于横倾不对称船体的四自由度运动数学模型。2.利用实海试验船的运动记录,建立了数学模型中主要非定常水动力系数的识别方法。3.研制了实海试验船运动测量系统,并进行了高精度的测量。4.为进行无线电操纵帆船模型的自由航行试验,对水池风向进行了重新布置。测量了船在入射海浪作用下的减速。对减速机理进行了研究。5.在风洞中进行了风帆的强制俯仰试验。测量了FRP夹层结构的附加质量、阻尼系数和升力折减,并与基于二维振动翼理论的条带理论进行了比较,进而对FRP夹层结构进行了有限元分析,以得到轻质、刚性和坚固的船体。为了验证理论的适用性以及获得实际的生产技术诀窍,进行了部分结构设计。

项目成果

期刊论文数量(52)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
W.Bao: "Hydrodynamic Forces Acting on Multiple Floating Circular Cylinders in Waves and Current." Proceedings of 13th International Conference on OMAE ASME. (1994)
W.Bao:“波浪和水流中作用于多个浮动圆柱体的水动力。”
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    0
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白枝哲次: "帆走艇の運動方程式及び流体力の推定法・同定法について." 小型舟艇研究会資料11-2. (1993)
Tetsuji Shiraeda:“关于帆船运动方程以及流体力的估计和识别方法。”小船研究小组材料 11-2(1993)。
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    0
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松宮晃一: "シェル艇におけるFRPの積層構成." 小型舟艇研究会資料13-3. (1993)
Koichi Matsumiya:“贝壳船中的 FRP 层压结构。”小船研究组材料 13-3(1993)。
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    0
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W.Bao, T.Kinoshita: "The Reciprocal Relation of Hydrodynamic Forces Acting on Floating Bodies in both Waves and Slow Current." 9th Workshop on Water Waves and Floating Bodies. 4. (1994)
W.Bao、T.Kinoshita:“波浪和慢流中作用于浮体的水动力的相互关系”。
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  • 影响因子:
    0
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W.BAO: "Hydrodynamic Interaction among an Assembly of Floating Cylinders in both Waves and Slow Current." Proceedings of 2nd Symposium on Nonlinear and Free-Surface Flows. 11-14 (1993)
W.BAO:“浮筒组件在波浪和慢流中的流体动力相互作用。”
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    0
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KINOSHITA Takeshi其他文献

KINOSHITA Takeshi的其他文献

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{{ truncateString('KINOSHITA Takeshi', 18)}}的其他基金

Studies on the concept of green space and the method for sustainable area revitalization in the United Kingdom
英国绿色空间概念及可持续区域振兴方法研究
  • 批准号:
    23580032
  • 财政年份:
    2011
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Study on forecast and evading of Freak wave
畸形波预报与规避研究
  • 批准号:
    19106016
  • 财政年份:
    2007
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (S)
Bioprospecting targeted for domestic higher plant resource in search of anti-microbial chemical leads
针对国内高等植物资源进行生物勘探,寻找抗菌化学先导化合物
  • 批准号:
    15590022
  • 财政年份:
    2003
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
On secular terms which appear in perturbation problems of non-linear wave forces acting on offshore structures, and solutions of the problems compared with model tests
海上结构物非线性波浪力扰动问题中出现的长期项及其与模型试验的比较
  • 批准号:
    15360461
  • 财政年份:
    2003
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Ethnopharmacognosical Study on A Southeast Asian Aurantioideae Medicinal Plant Murraya paniculata: Correlation between Its Chemical Diversity and Medicinal Use in Traditional Medicine
东南亚橙科药用植物九里香的民族生药学研究:其化学多样性与传统医学用途的相关性
  • 批准号:
    12672064
  • 财政年份:
    2000
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Theory of non-linear wave forces acting on an offshore structure in a shallow water and comparison with experiments
浅水中海上结构的非线性波浪力理论及与实验的比较
  • 批准号:
    12450406
  • 财政年份:
    2000
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
Basic studies on possible application of anti-oxidative fraction and constituents of crude drug origin to preventive medicine
抗氧化部位及药材来源成分在预防医学中的可能应用基础研究
  • 批准号:
    10671998
  • 财政年份:
    1998
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (C)
Ethnobotanical survey in Philippine tropical rain forest : in search of new medicinal and useful gene resources
菲律宾热带雨林民族植物学调查:寻找新的药用和有用基因资源
  • 批准号:
    09041192
  • 财政年份:
    1997
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for international Scientific Research
Nonlinear hydrodynamic forces acting on an offshore structure n waves
波浪作用在海上结构上的非线性水动力
  • 批准号:
    07455401
  • 财政年份:
    1995
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for Scientific Research (B)
A New Approach to Synthesis of Isoflavonoids Having Boneresorption Activity
具有骨吸收活性的异黄酮类化合物的合成新方法
  • 批准号:
    05671767
  • 财政年份:
    1993
  • 资助金额:
    $ 1.6万
  • 项目类别:
    Grant-in-Aid for General Scientific Research (C)

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半生产游艇模块化模具
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Advanced numerical methods for PDE constrained optimization with application to optimal design and control of a racing yacht in the America`s Cup
先进的偏微分方程约束优化数值方法及其在美洲杯赛艇优化设计和控制中的应用
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Research for Prevention of Capsizing of Small Ocean Sailing Yacht
小型远洋帆船防倾覆研究
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横摇耦合对倒立帆船波浪动力学的影响
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