| Analytical method of radiation by a wave energy device with dual rectangular floating bodies |
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| 作者姓名： | WANG Wensheng YOU Yage ZHANG Yunqiu WU Bijun YE Yin |
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| 作者单位： | WANG Wensheng,YE Yin(Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy Sciences, Guangzhou 510640, China;Graduate University,Chinese Academy of Sciences,Beijing 100049,China);YOU Yage,ZHANG Yunqiu,WU Bijun(Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy Sciences, Guangzhou 510640, China) |
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| 基金项目： | The Sino-Denmark Cooperation Research on high efficient MW wave power device under contract No.2007DFA60490; the National High-Teach Research and Development Program of China (863 Program) under contract No.2006AA05Z426; the National Natural Science Found |
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| 摘 要： | The system with one floating rectangular body on the free surface and one submerged rectangular body has been applied to a wave energy conversion device in water of finite depth. The radiation problem by this device on a plane incident wave is solved by the use of an eigenfunction expansion method, and a new analytical expression for the radiation velocity potential is obtained. The wave excitation force is calculated via the known incident wave potential and the radiation potential with a theorem of Haskind employed. To verify the correctness of this method, an example is computed respectively through the bound element method and analytical method. Results show that two numerical methods. are in good agreement, which shows that the present method is applicable. In addition, the trends of hydrodynamic coefficients and wave force are analyzed under different conditions by use of the present analytical method.
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| 关 键 词： | 转换装置 辐射波 波浪能 特征函数展开法 浮体 矩形 解析表达式 有限水深 |
| 收稿时间： | 3/2/2009 12:00:00 AM |
| 修稿时间： | 2009/12/7 0:00:00 |
Analytical method of radiation by a wave energy device with dual rectangular floating bodies |
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| WANG Wensheng,YOU Yage,ZHANG Yunqiu,WU Bijun,YE Yin.Analytical method of radiation by a wave energy device with dual rectangular floating bodies[J].Acta Oceanologica Sinica,2010,29(3):106-115. |
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| Authors: | WANG Wensheng YOU Yage ZHANG Yunqiu WU Bijun and YE Yin |
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| Institution: | 1.Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy Sciences, Guangzhou 510640, China;Graduate University, Chinese Academy of Sciences, Beijing 100049, China2.Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510640, China;Key Laboratory of Renewable Energy and Gas Hydrate, Chinese Academy Sciences, Guangzhou 510640, China |
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| Abstract: | The system with one floating rectangular body on the free surface and one submerged rectangular body has been applied to a wave energy conversion device in water of finite depth. The radiation problem by this device on a plane incident wave is solved by the use of an eigenfunction expansion method, and a new analytical expression for the radiation velocity potential is obtained. The wave excitation force is calculated via the known incident wave potential and the radiation potential with a theorem of Haskind employed. To verify the correctness of this method, an example is computed respectively through the bound element method and analytical method. Results show that two numerical methods. are in good agreement, which shows that the present method is applicable. In addition, the trends of hydrodynamic coefficients and wave force are analyzed under different conditions by use of the present analytical method. |
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| Keywords: | wave energy device hydrodynamic coefficients wave force analytical method |
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