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翼の空力特性に対するGurney Flap の効果(2)
https://jaxa.repo.nii.ac.jp/records/4244
https://jaxa.repo.nii.ac.jp/records/42443601dbac-7b42-4933-ad2c-438da5091715
名前 / ファイル | ライセンス | アクション |
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61958004.pdf (2.9 MB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 翼の空力特性に対するGurney Flap の効果(2) | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Effects of Gurney Flaps for Aerodynamic Characteristics of an Airfoil (2) | |||||
著者 |
小林, 智紀
× 小林, 智紀× 高倉, 葉子× 高木, 通俊× Kobayashi, Tomoki× Takakura, Yoko× Takagi, Michitoshi |
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著者所属 | ||||||
東海大学大学院工学研究科機械工学専攻 | ||||||
著者所属 | ||||||
東海大学工学部動力機械工学科 | ||||||
著者所属 | ||||||
高木技術事務所 | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Mechanical Engineering, Graduate School of Engineering, Tokai University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Prime Mover Engineering, School of Engineering, Tokai University | ||||||
著者所属(英) | ||||||
en | ||||||
Takagi Gijutsu Jimusho | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構(JAXA) | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料 en : JAXA Special Publication: Proceedings of 44th Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2012 巻 JAXA-SP-12-010, p. 19-24, 発行日 2013-03-29 |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 第44回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2012 (2012年7月5日-6日. 富山国際会議場大手町フォーラム), 富山市, 富山県 | |||||
会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 44th Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2012 (July 5-6, 2012. Toyama International Conference Center), Toyama Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Gurney flaps are the high-lift devices with L shape beam used for high speed road vehicles since 1970s. The aim of this research is to investigate effects of the Gurney flaps for aerodynamic characteristics of NACA4412 airfoil by wind-tunnel experiments. The flaps with height of 0 to 6% of the chord length are attached at the trailing edge. Under flow condition of Reynolds number 6.5×10(exp 5), experimental setup is three-dimensional (3D) or quasi two-dimensional (2D), according to flow-fields without or with side plates. Consequently, the Gurney flaps made CL and stall angles higher: in 3D cases, the stall angles remarkably increased as the mounted flap was higher, while in 2D cases CL increased far more than in 3D cases at the same attack angle. The reason was explained by introduction of the idea of the imaginary aspect ratio. The reason was also confirmed by flow visualizations. Each family of polar curves for 2D or 3D measurements consti""" tutes a curve like an envelope. By use of each “envelope”, when the necessary value of CL is given, combination of an attack angle and a flap height with the lowest value of CD can be obtained. As concluding remarks, usage of Gurney flaps is most effective to obtain high value of CL, with small and light wings, or when CD increases within tolerance level. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0061958004 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-12-010 |