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Numerical Simulation of A Complicated Transition-Breakdown of Vortical Flows inside a Circular Pipe
https://jaxa.repo.nii.ac.jp/records/31217
https://jaxa.repo.nii.ac.jp/records/31217d24f701a-5b30-4cd9-8fca-361ff2e6dfa1
名前 / ファイル | ライセンス | アクション |
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SA0033462.pdf (2.0 MB)
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Item type | 紀要論文 / Departmental Bulletin Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Numerical Simulation of A Complicated Transition-Breakdown of Vortical Flows inside a Circular Pipe | |||||
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_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
著者 |
CHEN, H. L.
× CHEN, H. L.× OSHIMA, K. |
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著者所属(英) | ||||||
en | ||||||
Department of Aeronautical Engineering, University of Tokyo | ||||||
著者所属(英) | ||||||
en | ||||||
The Institute of Space and Astronautical Science | ||||||
出版者 | ||||||
出版者 | 宇宙科学研究所 | |||||
出版者(英) | ||||||
出版者 | Institute of Space and Astronautical Science | |||||
書誌情報 |
en : The Institute of Space and Astronautical Science report. S.P. : The Proceedings of the Symposium on Mechanics for Space Flight 1989 巻 12, p. 73-104, 発行日 1990-03 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Entrance flows to a circular pipe which has an axisymmetric sudden expansion were numerically simulated for a wide range of Reynolds numbers. Particularly shear layer instabilities observed behind the sudden expansion were studied. Experimental observation of the flow fields at the corresponding flow conditions were also carried out. Taylor-Helmholtz type instability was observed along the shear layer behind the sudden expansion, and its breakdown into turbulent blobs were observed. Numerical results successfully simulated this vortex breakdown process. The process that flows grow into chaos were also successfully simulated. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0288-433X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10455137 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: SA0033462000 |