| Investigation on the Oscillating Buoy Wave Power Device |
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| 作者姓名： | SU Yongling |
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| 作者单位： | Guangzhou Institute of Energy Conversion，Chinese Academy of Sciences，Guangzhou Institute of Energy Conversion，Chinese Academy of Sciences，Guangzhou Institute of Energy Conversion，Chinese Academy of Sciences Guangzhou 510070，China，Guangzhou 510070，China，Guangzhou 510070，China |
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| 基金项目： | 国家自然科学基金，the High Tech Research and Development，Science & Technology Program of Guangdong |
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| 摘 要： | An oscillating buoy wave power device (OD) is a device extracting wave power by an oscillating buoy. Being excited by waves, the buoy heaves up and down to convert wave energy into electricity by means of a mechanical or hydraulic device. Compared with an Oscillating Water Column (OWC) wave power device, the OD has the same capture vvidth ratio as the OWC does, but much higher secondary conversion efficiency. Moreover, the chamber of the OWC, which is the most expensive and difficult part to be built, is not necessary for the OD, so it is easier to construct an OD. In this paper, a nu-merical calculation is conducted for an optimal design of the OD firstly, then a model of the device is built and, a model test is carried out in a wave tank. The results show that the total efficiency of the OD is much higher than that of the OWC and that the OD is a promising wave power device.
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Investigation on the Oscillating Buoy Wave Power Device |
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| SU Yongling YOU Yage and ZHENG Yonghong
Guangzhou Institute of Energy Conversion,Chinese Academy of Sciences,Guangzhou ,China.Investigation on the Oscillating Buoy Wave Power Device[J].China Ocean Engineering,2002,16(1):141-149. |
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| Authors: | SU Yongling YOU Yage and ZHENG Yonghong
Guangzhou Institute of Energy Conversion Chinese Academy of Sciences Guangzhou China |
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| Institution: | Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510070 , China Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510070 , China Guangzhou Institute of Energy Conversion, Chinese Academy of Sciences, Guangzhou 510070 , China |
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| Abstract: | An oscillating buoy wave power device (OD) is a device extracting wave power by an oscillating buoy. Being excited by waves, the buoy heaves up and down to convert wave energy into electricity by means of a mechanical or hydraulic device. Compared with an Oscillating Water Column (OWC) wave power device, the OD has the same capture vvidth ratio as the OWC does, but much higher secondary conversion efficiency. Moreover, the chamber of the OWC, which is the most expensive and difficult part to be built, is not necessary for the OD, so it is easier to construct an OD. In this paper, a nu-merical calculation is conducted for an optimal design of the OD firstly, then a model of the device is built and, a model test is carried out in a wave tank. The results show that the total efficiency of the OD is much higher than that of the OWC and that the OD is a promising wave power device. |
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| Keywords: | oscillating buoy wave power device capture width ratio secondary comersion efficiency total efficiency |
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