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翼まわりの流れの外乱に対する応答
https://jaxa.repo.nii.ac.jp/records/36954
https://jaxa.repo.nii.ac.jp/records/3695496590bd0-f18b-4626-bb46-78651baa475e
名前 / ファイル | ライセンス | アクション |
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nalsp0033023.pdf (2.1 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 | 翼まわりの流れの外乱に対する応答 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 翼型後流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れ不安定性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れ制御 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音響外乱 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 迎角 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 失速 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 翼弦長 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | レイノルズ数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 応答 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 励起渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れ構造 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | airfoil wake | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow control | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | acoustic forcing | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | attack angle | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | stall | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wing chord length | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Reynolds number | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | response | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | excited vortex | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow structure | |||||
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 | Response of the flow around the airfoil to external forcing | |||||
著者 |
浅井, 雅人
× 浅井, 雅人× 妹尾, 貴文× Asai, Masahito× Seno, Takafumi |
|||||
著者所属 | ||||||
東京都立科学技術大学 | ||||||
著者所属 | ||||||
東京都立科学技術大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Metropolitan Institute of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Tokyo Metropolitan Institute of Technology | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory (NAL) | |||||
書誌情報 |
航空宇宙技術研究所特別資料 en : Special Publication of National Aerospace Laboratory 巻 33, p. 105-109, 発行日 1996-09 |
|||||
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 | 28-29 Sep. 1995 (17th). 28-29 Mar. 1996 (18th) | |||||
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 | 28-29 Sep. 1995 (17th). 28-29 Mar. 1996 (18th) | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 本研究では、音響外乱に対する翼型周りの流れの応答を、中・高迎角、翼弦長レイノルズ数R(sub c)=2.3×10(exp 4)で、NACA0012翼型について実験的に調べた。中程度の迎角α=10度において、流れは広い周波数範囲にわたり、音響外乱への高い受容性を示し、励起渦が下流側後流を支配した。一方、失速迎角α=16度では、鈍体後流の場合と同様に絶対不安定性の特徴の出現を暗示するように、周期的に近い渦構造が励起のない後流中に出現した。この場合、音響外乱は自然放出周波数およびその周辺以外では後流構造を制御することができなかった。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In the present study, the response of the flow around the airfoil to acoustic forcing examined experimentally for NACA0012 airfoil at moderate and high angles of attack, at a chord-Reynolds number R(sub c) = 2.3 x 10(exp 4). At the moderate angle of attack alpha = 10 deg, the flow is highly receptive to acoustic forcings over a wide range of frequencies, and the excited vortices can govern the downstream wake. At the stall angle alpha = 16 deg, on the other hand, the nearly periodic vortical structures appear in the wake without the forcing, suggesting the appearance of the nature of absolute instability not unlike that of bluff-body wakes. In this case, the acoustic forcing can not control the wake structure except at and around the natural shedding frequency. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-260X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10097345 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0000867023 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL SP-33 |