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加速ノズル内気泡流の数値解析
https://jaxa.repo.nii.ac.jp/records/43456
https://jaxa.repo.nii.ac.jp/records/434569b6917f3-8dd3-4807-b69c-69d8398f11f9
名前 / ファイル | ライセンス | アクション |
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nalsp0014023.pdf (445.5 kB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 加速ノズル内気泡流の数値解析 | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Numerical Analysis of Bubbly Liquid in Convergent-Divergent Nozzle | |||||
著者 |
石井, 隆次
× 石井, 隆次× 梅田, 吉邦× 森岡, 茂樹× 八田, 夏夫× Ishii, Ryuji× Umeda, Yoshikuni× Morioka, Shigeki× Hatta, Natsuo |
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著者所属 | ||||||
京都大学工学部航空工学科 | ||||||
著者所属 | ||||||
京都大学工学部航空工学科 | ||||||
著者所属 | ||||||
京都大学工学部航空工学科 | ||||||
著者所属 | ||||||
京都大学工学部資源工学科 | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Aeronautics Kyoto University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Aeronautics Kyoto University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Aeronautics Kyoto University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Mineral Science and Technology Kyoto University | ||||||
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 SP-14 巻 14, p. 147-152, 発行日 1990-11 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Flow of bubbly liquid in divergent-convergent nozzle is investigated numerically. First a steady flow is obtained and then small pressure fluctuations are imposed on the flow at the nozzle inlet. It is found that the voidage waves are induced by the applied pressure fluctuations. They propagate downstream through the nozzle with the same velocity as that of the bubbles. Theoretically, voidage waves are expected to be amplified and the flow becomes unstable in the throat region where the velocity slip between the liquid and the gas bubbles is present. Numerically, however, the unstable behavior of the voidage wave was not found at least in the present numerical simulations. This might come from the fact that the artificial viscosity involved in the numerical scheme tends to suppress the amplification of unstable waves. | |||||
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: NALSP0014023 | |||||
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-14 |