WEKO3
アイテム
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Euler/LEEハイブリッド法による超音速ジェットの音響解析
https://jaxa.repo.nii.ac.jp/records/5960
https://jaxa.repo.nii.ac.jp/records/5960adbe4e69-0d22-4f59-aac5-363db24b1ab6
名前 / ファイル | ライセンス | アクション |
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63154016.pdf (1.7 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 | Euler/LEEハイブリッド法による超音速ジェットの音響解析 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 超音速ジェット流れ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 圧力分布 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音場 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 波動伝播 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | オイラーの運動方程式 | |||||
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 | 計算格子 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 精度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音響解析 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | WENO法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | MUSCL法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 線形オイラー方程式 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | LEE | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | supersonic jet flow | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | pressure distribution | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sound field | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wave propagation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Euler equation of motion | |||||
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 | computational grid | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | accuracy | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | acoustic analysis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | WENO method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | MUSCL method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Linearized Euler Equation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | LEE | |||||
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 | Acoustic analysis of supersonic jet by using Euler/Linearized Euler Equations | |||||
著者 |
北村, 圭一
× 北村, 圭一× 橋本, 敦× 村上, 桂一× 青山, 剛史× 中村, 佳朗× Kitamura, Keiichi× Hashimoto, Atsushi× Murakami, Keiichi× Aoyama, Takashi× Nakamura, Yoshiaki |
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著者所属 | ||||||
名古屋大学 大学院 | ||||||
著者所属 | ||||||
名古屋大学 大学院 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 | ||||||
著者所属 | ||||||
名古屋大学 工学部 | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University Graduate School | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University Graduate School | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency | ||||||
著者所属(英) | ||||||
en | ||||||
Nagoya University 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2006論文集 en : JAXA Special Publication: Proceedings of Aerospace Numerical Simulation Symposium 2006 巻 JAXA-SP-06-010, p. 83-88, 発行日 2006-12-01 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | A supersonic jet into complex geometry and its accompanying acoustic field have been investigated by using Euler Equation/Linearized Euler Equation (LEE) hybrid methodology here. As a first step, we have examined its performance by computing traveling sinusoidal waves. Then, we found that the hybrid methodology achieves higher accuracy than the Euler computation when combined with a fifth-order WENO (Weighted Essentially Non-Oscillatory) scheme. Based on this knowledge, we have conducted both of fully third-order Euler/LEE and third-order-Euler/fifth-order-LEE hybrid computations. According to the results, the computed acoustic field is mainly composed of three waves having distinct frequencies: a high frequency wave (0.5 Hz) which seems to be caused by interferences from the wall, a medium frequency wave (2.2 Hz) corresponding to first-mode eigenfrequency of the jet exit geometry, and a low frequency wave (10 Hz). The computed pressure values are rather different between the two results, although these frequencies are not so much. This fact implies that the more we extend the region of fifth-order computation, the more the computed pressure values approach to physically correct ones in quantitative view. | |||||
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: AA0063154016 | |||||
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-06-010 |