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渦輪の乱流遷移過程
https://jaxa.repo.nii.ac.jp/records/37232
https://jaxa.repo.nii.ac.jp/records/37232bad555a9-c2cf-4583-82d0-5ced5dbcae1f
名前 / ファイル | ライセンス | アクション |
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nalsp0040009.pdf (1.6 MB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 渦輪の乱流遷移過程 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 層流乱流遷移 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦輪 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦核 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦構造 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱流変動 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層遷移 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦核速度測定 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | laminar turbulent transition | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vortex ring | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vortex core | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vortical structure | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulent fluctuation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer transition | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vortex core velocity measurement | |||||
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 | Transition process of a vortex ring | |||||
著者 |
望月, 修
× 望月, 修× 木谷, 勝× 田中, 幸男× Mochizuki, Osamu× Kiya, Masaru× Tanaka, Yukio |
|||||
著者所属 | ||||||
北海道大学 大学院工学研究科 | ||||||
著者所属 | ||||||
北海道大学 大学院工学研究科 | ||||||
著者所属 | ||||||
北海道大学 大学院工学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Hokkaido University Graduate School of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Hokkaido University Graduate School of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Hokkaido University Graduate School of Engineering | ||||||
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 40, p. 33-34, 発行日 1999-01 |
|||||
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 | 30 Sep.-1 Oct. 1997 (21st). 26-27 Mar. 1998 (22nd) | |||||
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 | 30 Sep.-1 Oct. 1997 (21st). 26-27 Mar. 1998 (22nd) | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 渦輪の周囲にそって配列した8個の熱線プローブで渦輪の速度測定を行い、それと同時に薄いレーザ光シートを用いて渦構造を可視化した。乱流変動が遷移開始時に渦核部分に現れた。方位角方向のうねりの振幅は遷移過程中に急速に増大した。乱流渦核で複雑なゆがみを観測した。乱流渦輪の最終段で、その複雑さは消失し、乱流変動が減少した。中心に向かって曲がった渦核の部分で乱流の始まりを観測した。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Velocity measurements of a vortex ring were performed by eight single hot wire probes arranged along the circumference of a vortex ring and synchronized with visualization of the vortical structures using a thin laser light sheet. Turbulent fluctuations appeared in a part of the vortex core at the beginning of transition. The amplitude of the azimuthal waviness grew quickly during the transition process. Intricate windings were observed in the turbulent vortex core. The complexity disappeared and the turbulent fluctuation was damped in the final stage of the turbulent vortex ring. The onset of turbulence was observed at that part of the vortex core which was curved towards the center. | |||||
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: AA0001655009 | |||||
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-40 |