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Numerical Analysis on Reusable Rocket Aerodynamics with Reduced-Yaw-Force Configurations
http://hdl.handle.net/10131/00012641
http://hdl.handle.net/10131/000126415c3f5128-a2e2-47ec-90c2-cb802745f8f6
名前 / ファイル | ライセンス | アクション |
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advpub_17.439.pdf (1.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2019-06-17 | |||||
タイトル | ||||||
タイトル | Numerical Analysis on Reusable Rocket Aerodynamics with Reduced-Yaw-Force Configurations | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題 | Aerodynamic Characteristics, CFD, Reusable Rocket, Yaw Force, Asymmetric Vortices | |||||
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 | |||||
著者 |
Inatomi, Ayano
× Inatomi, Ayano× Kitamura, Keiichi× Nonaka, Satoshi |
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著者所属 | ||||||
Yokohama National University | ||||||
著者所属 | ||||||
Yokohama National University | ||||||
著者所属 | ||||||
Institute of Space and Astronautical Science, JAXA | ||||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | It is known that aerodynamic characteristics of a slender body vary substantially at high angles-of-attack (AoAs), and then, will have strong impacts on its flight. For, example, the yaw force makes flight unstable. In this study, we investigated the relation between the yaw force and the configuration, and details of flowfield around the slender-bodied-vehicle numerically. The configuration consisting of “nose cone” and “square aftbody” parts was employed as the baseline, and then, compared with other three configurations having different fineness ratios. According to our computed results, in the case of 50 degrees of AoA, the longer the model became, the more asymmetry appeared: yaw force and asymmetry were found to be attributed not only to the length of the body, but also to the nose bluntness. On the contrary, in the case of 140 degrees, the shorter the model became, the more asymmetry appeared. Furthermore, the large nose bluntness increased CY. Interestingly, this trend is totally opposite to that observed at 50 degrees. It had been considered that the large nose bluntness and the small fineness ratio can reduce asymmetry and CY, however, this study showed that it is not true in the case over 90 degrees, due to complex wake flow structure discovered in the present numerical simulations. | |||||
書誌情報 |
TRANSACTIONS OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, AEROSPACE TECHNOLOGY JAPAN 巻 (Advance Online Publication), 発行日 2019 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18840485 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | info:doi/10.2322/tastj.17.439 | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
出版者 | ||||||
出版者 | JSASS |