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抵抗要素分解を用いた遷音速流れ空力解析
https://jaxa.repo.nii.ac.jp/records/6135
https://jaxa.repo.nii.ac.jp/records/613513b0c7a5-00ee-45cd-b05e-6ea607931277
名前 / ファイル | ライセンス | アクション |
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49212002.pdf (2.8 MB)
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Item type | 会議発表論文 / Conference Paper(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
タイトル | 抵抗要素分解を用いた遷音速流れ空力解析 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 抵抗要素分解 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 抵抗予測法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 数値解析 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 遷音速流れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 衝撃波 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 計算流体力学 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 非構造格子 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 摩擦抵抗 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 圧力抵抗 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | エントロピー抵抗 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 空力最適化 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | drag decomposition | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | drag prediction method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | numerical analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | transonic flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | shock wave | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | computational fluid dynamics | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | unstructured mesh | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | friction drag | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | pressure drag | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | entropy drag | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | aerodynamic optimization | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_5794 | |||||
資源タイプ | conference paper | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Analysis of transonic flow using drag decomposition method | |||||
著者 |
山崎, 渉
× 山崎, 渉× 松島, 紀佐× 中橋, 和博× Yamazaki, Wataru× Matsushima, Kisa× Nakahashi, Kazuhiro |
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著者所属 | ||||||
東北大学 大学院工学研究科 | ||||||
著者所属 | ||||||
東北大学 大学院工学研究科 | ||||||
著者所属 | ||||||
東北大学 大学院工学研究科 | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Graduate School of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Graduate School of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Graduate School of Engineering | ||||||
出版者 | ||||||
出版者 | 宇宙航空研究開発機構 | |||||
出版者(英) | ||||||
出版者 | Japan Aerospace Exploration Agency (JAXA) | |||||
書誌情報 |
宇宙航空研究開発機構特別資料: 航空宇宙数値シミュレーション技術シンポジウム2005論文集 en : JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2005 巻 JAXA-SP-05-017, p. 17-22, 発行日 2006-02-28 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | In this paper, advanced drag prediction method based on the momentum conservation theorem was applied to CFD computational results of transonic flows. This method can decompose total drag into drag components such as wave, profile, induced and spurious drag which is due to the effect of the numerical diffusion and error. In this method, drag components are computed by the volume integration of entropy production or vorticity terms in the flow field around the aircraft. Therefore, wave/profile drag can be computed by the partial volume integration of the entropy terms around the shock waves/boundary layer and wake, respectively. Then, spurious drag can be computed by the volume integration of the entropy terms at the remaining flow field. It is because the entropy production in the flow field should occurred within shock, wake and boundary layer regions from the viewpoint of physics. Induced drag can be computed by the integration of the vorticity terms related to the wingtip vortex. This drag decomposition method was applied to structured/unstructured mesh computational results. The computational results showed that the drag decomposition method had good capability of the drag prediction and meaningful drag decomposition. Moreover, the more accurate drag prediction was realized by the elimination of the spurious drag component from the total drag. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1349-113X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11984031 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0049212002 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: JAXA-SP-05-017 |