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LDV measurements of unsteady blade suction-surface flow of an axial-flow turbine rotor
https://jaxa.repo.nii.ac.jp/records/5539
https://jaxa.repo.nii.ac.jp/records/5539901892ff-6fbc-42e2-b826-a847e5ef5b4e
名前 / ファイル | ライセンス | アクション |
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63908018.pdf (632.7 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 | LDV measurements of unsteady blade suction-surface flow of an axial-flow turbine rotor | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | タービン翼 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 軸流タービン | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 速度分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱流場 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 非定常流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ノズル流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層流れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 後流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 渦 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 動静翼干渉 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | レーザードップラー流速計 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbine blade | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | axial flow turbine | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | velocity distribution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | unsteady flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | nozzle flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wake | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | vortex | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | rotor stator interaction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | laser doppler velocimeter | |||||
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 |
松沼, 孝幸
× 松沼, 孝幸× Matsunuma, Takayuki |
|||||
著者所属 | ||||||
産業技術総合研究所 | ||||||
著者所属(英) | ||||||
en | ||||||
National Institute of Advanced Industrial Science and Technology | ||||||
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: 境界層遷移の解明と制御研究会講演論文集 第40回 en : JAXA Special Publication: Proceedings of the 40th JAXA Workshop on Investigation and Control of Boundary-Layer Transition 巻 JAXA-SP-07-026E, p. 57-60, 発行日 2008-02-29 |
|||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The unsteady flow field of an axial-flow turbine rotor was investigated experimentally using a Laser Doppler Velocimetry (LDV) system. Detailed measurements of the time-averaged and time-resolved distributions of the velocity, flow angle, turbulence intensity, etc. were carried out at a low Reynolds number condition, Re(sub out, RT) = 3.5 x 10(exp 4). The data obtained were analyzed from the viewpoints of both an absolute (stationary) frame of reference and a relative (rotating) frame of reference. The effect of the turbine nozzle wake and secondary vortices on the rotor flow field was clearly captured. It was found that the nozzle wake and secondary vortices are suddenly distorted at the rotor inlet, because of the rotating potential field of the rotor. The nozzle flow (wake and secondary vortices) and the rotor surface flow (boundary layer flow) interact intensively inside the rotor passage. The periodic fluctuation of the relative velocity on the rotor suction surface due to the nozzle effect is as much as 20 percent of the mean rotor exit velocity. | |||||
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: AA0063908018 | |||||
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-07-026E |