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矩形管から放出される衝撃波
https://jaxa.repo.nii.ac.jp/records/43465
https://jaxa.repo.nii.ac.jp/records/434656961dc9c-ed72-4de9-9e89-b980ec2bc767
名前 / ファイル | ライセンス | アクション |
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nalsp0014032.pdf (994.5 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 | 矩形管から放出される衝撃波 | |||||
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 Simulation of Shcok Wave Emanating from a Square Shock Tube | |||||
著者 |
阿部, 晃久
× 阿部, 晃久× 伊藤, 勝宏× 高山, 和喜× Abe, Akihisa× Ito, Katsuhiro× Takayama, Kazuyoshi |
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著者所属 | ||||||
東北大学流体科学研究所衝撃波工学研究センター | ||||||
著者所属 | ||||||
航空宇宙技術研究所角田支所 | ||||||
著者所属 | ||||||
東北大学流体科学研究所衝撃波工学研究センター | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Fluid Science Tohoku University | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Fluid Science Tohoku 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. 203-208, 発行日 1990-11 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | We studied the flowfield behind a shock wave emitted from a square shock tube. Being three-dimensional, it allows to observe various phenomena for axisymmetric flow such as distorted vortex ring structure generated from the shock tube exit, shock wave deformation and a variety of flow structures behind the shock wave. If the generative mechanisms of distorted vortex ring and flows from the shock tube are clear, this also contributes to the technical advancing, regarding the mixture of different chemical species, as, e.g., fuel and an oxidizing agent, etc. In this paper, the shock wave emanating from a square shock tube was studied in numerical simulation and shock tube experiment, as well. In order to simulate these flow fields, a second order upwind TVD finite difference scheme (Harten-Yee type) was used. This TVD scheme, having been used for two-dimensional problems, was extended to three-dimensions and applied to Euler equations. The computational domain of 60 by 60 by 60 grid points covers a quarter of the shock tube cross section. As an initial configuration we took a normal shock wave with Mach number 1.5. The numerical results were compared with data from optical measurements. The double exposure holographic interferometry was used to photograph the emerging shock wave. We were able to obtain good qualitatively agreement between numerical results and experimental ones. The formation of shock wave and the generative mechanism in the unsteady three-dimensional shock tube flow are discussed by detailed analysis of the numerical results, and these flow properties were clarified. | |||||
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: NALSP0014032 | |||||
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 |