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騒音直接計算を用いた風車翼の騒音低減について
https://jaxa.repo.nii.ac.jp/records/6446
https://jaxa.repo.nii.ac.jp/records/644604548bed-c62a-4e74-b8e5-9641a923303d
名前 / ファイル | ライセンス | アクション |
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48469006.pdf (1.9 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 | 騒音直接計算を用いた風車翼の騒音低減について | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 直接数値シミュレーション | |||||
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 | 風車 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 風力利用 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 風力発電機 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ラージエディーシミュレーション | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 翼端渦騒音 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音場 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れ場 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | direct numerical simulation | |||||
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 | windmill | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | windpower utilization | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | windpowered generator | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | large eddy simulation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | tip vortex noise | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | acoustic field | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow field | |||||
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 | On noise reduction of a wind turbine blade by direct noise simulation | |||||
著者 |
Fleig, Oliver
× Fleig, Oliver× 飯田, 誠× 荒川, 忠一× Fleig, Oliver× Iida, Makoto× Arakawa, Chuichi |
|||||
著者所属 | ||||||
東京大学 | ||||||
著者所属 | ||||||
東京大学 | ||||||
著者所属 | ||||||
東京大学 | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
University of Tokyo | ||||||
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2004論文集 en : JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2004 巻 JAXA-SP-04-012, p. 39-44, 発行日 2005-03-25 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The purpose of this research is to investigate the physical mechanisms associated with tip vortex noise caused by rotating wind turbines. The flow and acoustic field around the WINDMEL3 wind turbine is simulated using compressible Large-Eddy simulation (LES), with emphasis on the blade tip region. The acoustic near field is simulated directly by LES whereas the far field is modeled using acoustic analogy. Due to the fine grid employed, smallest eddy-scales near the blade surface are resolved. Aerodynamic performance and acoustic emissions are predicted for the actual tip shape and an ogee type tip shape. A decrease of the sound pressure level by 5 dB in the high frequency domain is observed for the ogee type tip shape, corresponding to field test measurements. No difference in aerodynamic performance between the actual and the ogee type tip shape is observed. The simulation results will contribute towards designing new wind turbine blades for reduced noise emission. | |||||
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: AA0048469006 | |||||
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-04-012 |