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鈍頭物体まわりの超音速二相流の数値解析
https://jaxa.repo.nii.ac.jp/records/43338
https://jaxa.repo.nii.ac.jp/records/43338e43197b3-f599-4353-8fa9-a18717e6df08
名前 / ファイル | ライセンス | アクション |
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nalsp0010009.pdf (377.1 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 | 鈍頭物体まわりの超音速二相流の数値解析 | |||||
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 Supersonic Gas-Particle Two-phase Flows Around a Sphere | |||||
著者 |
石井, 隆次
× 石井, 隆次× 梅田, 吉邦× 由比, 政年× Ishii, Ryuji× Umeda, Yoshikuni× Yuhi, Masatoshi |
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著者所属 | ||||||
京都大学 | ||||||
著者所属 | ||||||
京都大学 | ||||||
著者所属 | ||||||
マツダKK | ||||||
著者所属(英) | ||||||
en | ||||||
Kyoto University | ||||||
著者所属(英) | ||||||
en | ||||||
Kyoto University | ||||||
著者所属(英) | ||||||
en | ||||||
Mazda K.K. | ||||||
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-10 巻 10, p. 53-58, 発行日 1989-11 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | This paper is concerned with unsteady supersonic gas-particle flows around a sphere. Impingement of a large particle-cloud on a shock layer of a dust-free gas in front of a sphere is numerically simulated. The effect of particles rebounded from the sphere is taken into account. It is shown that a temporal reverse flow region of the gas is induced near the body axis in the shock layer, which is responsible for the appearance of the gas flow region where the pressure gradient becomes negative along the surface. The flow region with the negative pressure gradient moves towards the downstream direction with time along the surface. These phenomena are consistent with previous experimental predictions. It is shown that the present results strongly support a flow model for the particle-induced flow field postulated in connection with "heating augmentation"found in the heat transfer measurements in hypersonic particle erosion environments. The particle behavior in such a flow is very complicated so that it is almost impossible to treat the particle-phase flow as an ordinary continuum medium. A few new findings are also described | |||||
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: NALSP0010009 | |||||
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-10 |