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Effect of wing mass in free flight of a two-dimensional symmetric flapping wing-body model
http://hdl.handle.net/10091/00022526
http://hdl.handle.net/10091/00022526b7906412-0b2a-4a34-9770-d14219f2b9ca
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-02-16 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effect of wing mass in free flight of a two-dimensional symmetric flapping wing-body model | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | flapping flight | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | wing mass | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | lattice Boltzmann method | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | immersed boundary method | |||||
資源タイプ | ||||||
資源 | http://purl.org/coar/resource_type/c_6501 | |||||
タイプ | journal article | |||||
著者 |
Suzuki, Kosuke
× Suzuki, Kosuke× Aoki, Takaaki× Yoshino, Masato |
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信州大学研究者総覧へのリンク | ||||||
氏名 | Suzuki, Kosuke | |||||
URL | https://soar-rd.shinshu-u.ac.jp/profile/ja.uayebUkh.html | |||||
信州大学研究者総覧へのリンク | ||||||
氏名 | Yoshino, Masato | |||||
URL | https://soar-rd.shinshu-u.ac.jp/profile/ja.ONkpbpkh.html | |||||
出版者 | ||||||
出版者 | IOP PUBLISHING LTD | |||||
引用 | ||||||
内容記述タイプ | Other | |||||
内容記述 | FLUID DYNAMICS RESEARCH.49(5):055504(2017) | |||||
書誌情報 |
FLUID DYNAMICS RESEARCH 巻 49, 号 5, p. 055504, 発行日 2017-08-11 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | The effect of wing mass in the free flight of a flapping wing is investigated by numerical simulations based on an immersed boundary-lattice Boltzmann method. We consider a model consisting of two-dimensional symmetric flapping wings with uniform mass density connected by a body represented as a point mass. We simulate free flights of the two-dimensional symmetric flapping wing with various mass ratios of the wings to the body. In free flights without gravity, it is found that the time-averaged lift force becomes smaller as the mass ratio increases, since with a large mass ratio the body experiences a large vertical oscillation in one period and consequently the wing-tip speed relatively decreases. We define the effective Reynolds number Reeff taking the body motion into consideration and investigate the critical value of Reeff over which the symmetry breaking of flows occurs. As a result, it is found that the critical value is Re-eff similar or equal to 70 independently of the mass ratio. In free flights with gravity, the time-averaged lift force becomes smaller as the mass ratio increases in the same way as free flights without gravity. In addition, the unstable rotational motion around the body is suppressed as the mass ratio increases, since with a large mass ratio the vortices shedding from the wing tip are small and easily decay. | |||||
資源タイプ(コンテンツの種類) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Article | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0169-5983 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10686129 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1873-7005/aa7a9a | |||||
関連名称 | 10.1088/1873-7005/aa7a9a | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in FLUID DYNAMICS RESEARCH. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/1873-7005/aa7a9a.© 2017. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. | |||||
出版タイプ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
WoS | ||||||
表示名 | Web of Science | |||||
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