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機外搭載マイクによるヘリコプタBVI騒音計測飛行実験
https://jaxa.repo.nii.ac.jp/records/2341
https://jaxa.repo.nii.ac.jp/records/2341f947c32b-292d-4d01-9038-c299b794cbcf
名前 / ファイル | ライセンス | アクション |
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49478000.pdf (4.0 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 機外搭載マイクによるヘリコプタBVI騒音計測飛行実験 | |||||
言語 | ||||||
言語 | jpn | |||||
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 | マイクロフォン | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 空力騒音 | |||||
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 | 回転翼 | |||||
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 | 旋回降下 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | バンク角 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 騒音測定 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 飛行特性 | |||||
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 | microphone | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aerodynamic 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 | rotary wing | |||||
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 | turning descent | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | bank angle | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | noise measurement | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flight characteristics | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル(英) | ||||||
その他のタイトル | In-flight helicopter BVI noise measured with onboard external microphone | |||||
著者 |
石井, 寛一
× 石井, 寛一× 五味, 広美× 奥野, 善則× Ishii, Hirokazu× Gomi, Hiromi× Okuno, Yoshinori |
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著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 総合技術研究本部 | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency Institute of Space Technology and Aeronautics | ||||||
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研究開発報告 en : JAXA Research and Development Report 巻 JAXA-RR-04-037, 発行日 2005-03-31 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 宇宙航空研究開発機構が運用する実験用ヘリコプタMuPAL-εを用いてメイン・ロータのBVI(Blade-Vortex Interaction,ブレード-渦干渉)騒音を計測するための飛行実験を実施した。メイン・ロータから発生する騒音の定常的かつ減衰の小さい明瞭なデータの取得を目的として、機首に装備されたノーズブームにマイクロフォンを取り付けた。メイン・ロータ騒音は飛行条件によって大きく変化するため、対気速度、昇降率、バンク角をパラメータとして飛行条件を設定し、水平・上昇・降下・旋回飛行を実施した。その結果、特に対気速度70kt、降下率600、300fpmの降下飛行において、強いBVI騒音が明瞭に計測された。また旋回中にはより強いBVI騒音が観測されており、騒音モデルの検証および低騒音飛行方式の開発に資するデータが取得できた。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A series of flight tests for noise measurement was conducted by Japan Aerospace Exploration Agency using its research helicopter MuPAL-epsilon. An onboard microphone was installed at the tip of the nose boom to obtain precise BVI (Blade-Vortex Interaction) noise data from the main rotor. Since the characteristics of helicopter noise vary according to the flight conditions, a range of level, climbing, descending and turning flights were flown at parametrically configured airspeeds, vertical speeds, and bank angles. Strong BVI noise was measured during descending flight at an airspeed of 70 knots and descent rates of 600 and 300 feet per minute. Stronger BVI noise was also measured during turning descent. A very clear waveform of the helicopter noise was obtained that will help with verifying an analytical noise model and developing noise abatement flight procedures. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-1113 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA1192675X | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0049478000 | |||||
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-RR-04-037 |