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"1886", "1891"], "permalink_uri": "https://jaxa.repo.nii.ac.jp/records/5627", "pubdate": {"attribute_name": "公開日", "attribute_value": "2015-03-26"}, "publish_date": "2015-03-26", "publish_status": "0", "recid": "5627", "relation": {}, "relation_version_is_last": true, "title": ["Numerical analysis of helicopter BVI noise in turning flight"], "weko_shared_id": -1}
Numerical analysis of helicopter BVI noise in turning flight
https://jaxa.repo.nii.ac.jp/records/5627
https://jaxa.repo.nii.ac.jp/records/5627ff5970e3-51b2-4b3c-8a06-2e27010e0f1f
名前 / ファイル | ライセンス | アクション |
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63742021.pdf (828.2 kB)
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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 | ||||||
言語 | en | |||||
タイトル | Numerical analysis of helicopter BVI noise in turning flight | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ヘリコプタ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | BVI騒音 | |||||
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 | 騒音低減 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 飛行試験 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | マイクロフォン | |||||
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 | 実験機 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 飛行シミュレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 飛行条件 | |||||
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 | BVI noise | |||||
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 | noise reduction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flight test | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | microphone | |||||
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 | research aircraft | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flight simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flight condition | |||||
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 | |||||
著者 |
Yang, Choongmo
× Yang, Choongmo× 青山, 剛史× 石井, 寛一× 奥野, 善則× Yang, Choongmo× Aoyama, Takashi× Ishii, Hirokazu× Okuno, Yoshinori |
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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 | ||||||
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 | ||||||
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: 第39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2007論文集 en : JAXA Special Publication: Proceedings of 39th Fluid Dynamics Conference/Aerospace Numerical Simulation Symposium 2007 巻 JAXA-SP-07-016, p. 131-136, 発行日 2008-02-29 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Blade-Vortex Interaction (BVI) is known to be one of the most annoying sources of helicopter noise. In order to obtain acoustic waveforms of BVI noise, a series of flight tests was conducted by JAXA's MuPAL-epsilon (Multi-Purpose Aviation Laboratory-epsilon) research helicopter using a microphone mounted on its nose boom. The measured acoustic data of the flight tests shows apparently stronger BVI noise in turning flight than in straight flight at the same airspeed and vertical speed. From the flight conditions, two cases, a straight descent and a descending turn, are chosen to compare the noise pattern with CFD (Computational Fluid Dynamics) computation and to understand the BVI noise characteristics during coordinate turns. Trim data obtained through a flight simulation code are given to CFD computation for two cases. CFD simulation successfully reproduces the tendency of increasing BVI noise due to the turning maneuver at least for the present flight conditions. | |||||
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: AA0063742021 | |||||
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-07-016 |