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Effects of Plume Impingements of Clustered Nozzles on the Surface Skin Friction
https://jaxa.repo.nii.ac.jp/records/22522
https://jaxa.repo.nii.ac.jp/records/225229e8e6d46-0832-4928-9c90-d04ed22ff265
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2015-05-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Effects of Plume Impingements of Clustered Nozzles on the Surface Skin Friction | |||||
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 | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Takahashi, Hidemi
× Takahashi, Hidemi× Tomioka, Sadatake× Sakuranaka, Noboru× Tomita, Takeo× Kuwamori, Kohei× Masuya, Goro |
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著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency(JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University | ||||||
出版者(英) | ||||||
出版者 | American Institute of Aeronautics and Astronautics (AIAA) | |||||
書誌情報 |
en : Journal of Propulsion and Power 巻 31, 号 2, p. 485-495, 発行日 2015-03 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Skin-friction values on the surfaces of clustered nozzles were measured using a pointwise local skin-friction sensor. This sensor has a floating head that can detect the local shear force using the flow passing over the head surface. Cold-flow wind-tunnel experiments were carried out with clustered nozzle models. The test models had three or four clustered cell nozzles, or a nonclustered two-dimensional nozzle with a designed Mach number of 3.5, followed by a straight planar section. The experimental conditions were chosen according to the cell nozzle jet expansions. Hence, some conditions involved an oblique shock wave impinging on the bottom surface and others did not. The measured local skin-friction coefficients were compared to those predicted by using an existing prediction model. The results showed that the local skin-friction value significantly increased when the cell nozzle expansion was under the overexpansion condition, whereas the measured values were identical to those predicted by the existing model under the underexpansion condition. The physics behind this observation showed that the expansion waves hardly affected the skin friction, but the oblique shock wave and crossing neighboring jet boundaries could increase the skin friction. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0748-4658 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10459896 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://dx.doi.org/10.2514/1.B35343 | |||||
関連名称 | info:doi/10.2514/1.B35343 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: PA1510020000 |