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Transient Axial Thrust of High-Head Pump-turbine at Load Rejection
http://hdl.handle.net/10131/3761
http://hdl.handle.net/10131/37610aff97eb-9c39-4999-a39b-fcd6dc018661
名前 / ファイル | ライセンス | アクション |
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B-124.pdf (780.7 kB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2008-09-17 | |||||
タイトル | ||||||
タイトル | Transient Axial Thrust of High-Head Pump-turbine at Load Rejection | |||||
言語 | ||||||
言語 | eng | |||||
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 |
Kurokawa, Junichi
× Kurokawa, Junichi× Inagaki, Morihito× Imamura, Hiroshi× Taguchi, Tadashi× Niikura, Kazuo |
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著者(ヨミ) | ||||||
識別子Scheme | WEKO | |||||
識別子 | 181 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=40017976 | |||||
識別子 | 40017976 | |||||
姓名 | クロカワ, ジュンイチ | |||||
著者別名 | ||||||
識別子Scheme | WEKO | |||||
識別子 | 181 | |||||
識別子Scheme | e-Rad | |||||
識別子URI | https://kaken.nii.ac.jp/ja/search/?qm=40017976 | |||||
識別子 | 40017976 | |||||
姓名 | 黒川, 淳一 | |||||
著者所属 | ||||||
Yokohama National University, Yokohama, Japan | ||||||
著者所属 | ||||||
Tokyo Power Electric Co. Ltd., Tokyo, Japan | ||||||
著者所属 | ||||||
Yokohama National University, Yokohama, Japan | ||||||
著者所属 | ||||||
Tokyo Power Electric Co. Ltd., Tokyo, Japan | ||||||
著者所属 | ||||||
Hitachi Co. Ltd., Hitachi, Japan | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | In the load rejection test of Kazunogawa pumped storage P. S. in Japan, an abnormal axial thrust occurred in a high-head reversible pump-turbine (412 MW and 714m effective head). The rotating parts including a runner moved 4mm upward in the axial direction. After taking several countermeasures, this machine is now operating without any problem, but the detailed mechanism of transient axial thrust is not yet clear, though such a transient up-thrust has long been known. The present study is thus aimed to determine the reason why such abnormal axial thrust is caused at the transient operation and how to reduce abnormal thrust. Here adopted is a theoretical approach which has been proved to give satisfactory results in predicting pump axial thrust. | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Lors des tests de coupure de la centrale à accumulation de Kazunogawa au Japon, une poussée axiale anormale est apparue dans une pompe-turbine haute chute (412 MW et 714 m de chute effective). Les parties en rotation, y compris la roue, se sont soulevées axialement de 4 mm. Après avoir entrepris plusieurs mesures correctives cette machine fonctionne maintenant norrnalement. Toutefois le mécanisme détaillé conduisant à cette poussée axiale transitoire vers le haut n'est pas encore clair, bien que ce phénomène soit connu depuis longtemps. La présente étude a ainsi pour but de déterminer les raisons pour lesquelles cette poussée axiale est apparue lors des manœuvres transitoires et comment la réduire. Une approche théorique ayant montré des résultats satisfaisant pour la prédiction de poussée axiale dans les pompes a été utilisée. | |||||
書誌情報 |
Proceedings of the XXIst IAHR Symposium on Hydraulic Machinery and Systems, September 9-12, 2002, Lausanne 発行日 2002 |
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フォーマット | ||||||
内容記述タイプ | Other | |||||
内容記述 | application/pdf | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | International Association of Hydraulic Research (IAHR) |