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ヘリコプタの騒音を低減するアクティブ・フラップの数値解析
https://jaxa.repo.nii.ac.jp/records/6160
https://jaxa.repo.nii.ac.jp/records/6160a9e75609-d264-4057-a766-b3886ffaf1d3
名前 / ファイル | ライセンス | アクション |
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49212027.pdf (2.6 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 | ヘリコプタの騒音を低減するアクティブ・フラップの数値解析 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ヘリコプター | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 騒音低減 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | アクティブフラップ制御 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | AFC | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Ffowcs Williams and Hawkingsの式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 計算流体力学 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 翼渦干渉 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音圧 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 翼端渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ミスディスタンス | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | フラップ位相角 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | helicopter | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | noise reduction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flap | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | active flap control | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Ffowcs Williams and Hawkings equation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computational fluid dynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | blade-vortex interaction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sound pressure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wing tip vortex | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | miss distance | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flap phase angle | |||||
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 | Numerical analysis of active flap for noise reduction using moving overlapped grid method | |||||
著者 |
青山, 剛史
× 青山, 剛史× Yang, Choongmo× 齊藤, 茂× Aoyama, Takashi× Yang, Choongmo× Saito, Shigeru |
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著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
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: 航空宇宙数値シミュレーション技術シンポジウム2005論文集 en : JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2005 巻 JAXA-SP-05-017, p. 162-167, 発行日 2006-02-28 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A three-dimensional unsteady Euler code for the analysis of active flap control (AFC) has been developed in this study based on an advanced CFD code for the full configuration of helicopters. The effect of phase angle of AFC on blade-vortex interaction (BVI) noise is analyzed by combining the new CFD code with an acoustic code based on the Ffowcs Williams and Hawkings (FW-H) equation. As a result, a simple model is proposed to understand the effect of flap phase angle on BVI noise and 3D calculations by the present method confirm that the model properly works. The prediction of the effect of flap phase angle by the present method is remarkably improved by applying the understandings derived from the simple model. A quantitative noise reduction of 5.62 dB is obtained at the flap phase angle of 60 deg and noise signal strongly propagates almost downward in a condition of one-bladed rotor. | |||||
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: AA0049212027 | |||||
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-05-017 |