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Enhanced power absorption of a point absorber wave energy converter using a tuned inertial mass
http://hdl.handle.net/2241/00160019
http://hdl.handle.net/2241/00160019217db979-0536-426f-8145-ce59bec0f5d6
名前 / ファイル | ライセンス | アクション |
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Energy_202-117740 (2.6 MB)
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Item type | Journal Article(1) | |||||
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公開日 | 2020-05-08 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Enhanced power absorption of a point absorber wave energy converter using a tuned inertial mass | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
浅井, 健彦
× 浅井, 健彦× Haraguchi, Ruriko |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | A novel point absorber wave energy converter with a tuned inertial mass (TIM), which is capable of significantly increasing the energy absorption and broadening the effective bandwidth, is proposed in this paper. The mechanism of the TIM has originally been introduced in the field of civil engineering as a passive energy absorber for structures subjected to external loadings such as earthquakes. It relies on attaching an additional tuning spring and a rotational inertial mass to the primary system, to improve the energy absorption performance by amplifying the displacement of the damper. Thus, considering typical point absorbers modeled as a mass-spring-dashpot system similar way to civil structures, the application of the TIM to wave energy converters can be expected to have a significant effect. In this paper, numerical investigation on the power generation performance of a point absorber with the TIM is conducted under random sea waves. The amplitude response and power generation performance are compared with the conventional point absorber, considering both non-resonant and resonant buoy cases. It is shown that by properly designing the tuning spring stiffness and generator damping, the rotation of the generator can be amplified compared to the buoy, increasing the power absorption drastically. | |||||
書誌情報 |
en : Energy 巻 202, p. 117740, 発行日 2020-07 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 03605442 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00635303 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1016/j.energy.2020.117740 | |||||
権利 | ||||||
権利情報 | © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ | |||||
著者版フラグ | ||||||
値 | author | |||||
出版者 | ||||||
出版者 | Elsevier |