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超音速流における縦渦の形成
https://jaxa.repo.nii.ac.jp/records/43515
https://jaxa.repo.nii.ac.jp/records/435152c90c8a7-4159-488f-a799-68143d91bca5
名前 / ファイル | ライセンス | アクション |
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nalsp0016019.pdf (336.8 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 | 超音速流における縦渦の形成 | |||||
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 | Generation of Longitudinal Vortices in Supersonic Flow | |||||
著者 |
野村, 聡幸
× 野村, 聡幸× 石井, 隆次× 西岡, 通男× Nomura, Toshiyuki× Ishii, Ryuji× Nishioka, Michio |
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著者所属 | ||||||
航空宇宙技術研究所 | ||||||
著者所属 | ||||||
京都大学工学部航空工学科 | ||||||
著者所属 | ||||||
大阪府立大学工学部航空工学科 | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Aeronautics Kyoto University | ||||||
著者所属(英) | ||||||
en | ||||||
Department of Aeronautical Engineering University of Osaka Prefecture | ||||||
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-16 巻 16, p. 123-128, 発行日 1991-12 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A key technology for developing scramjet engine is to mix fuel hydrogen and oxygen in supersonic airstream rapidly and efficiently. So far, intensive basic researches have been made to establish the supersonic mixing technology. As a means of enhancing mixing by increasing the contact area of two differen gas species, it is proposed in this paper to generate longitudinal vortices with spanwise periodic cutouts at the trailing edge of the wedge-shaped fuel injector. Furthermore, the wake of a flat plate with the same cutouts is investigated to clarify the formation of the streamwise vortices. 3-dimensional Euler equations are solved for the two cases with Chakravarthy-Osher typed TVD scheme. The computational results in the first case shows that longitudinal vortices are generated a little downstream of the trailing edge, shed into wake, and entrain nearby fluid. This is an evidence of rapid mixing. The second results show flow fields similar to the first, which proves that the generation of longitudinal vortices is mainly governed by the geometry of the cutouts at the trailing edge. | |||||
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: NALSP0016019 | |||||
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-16 |