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超臨界圧/遷臨界ジェットのLES解析: 噴流構造と特徴的な振る舞いについて
https://jaxa.repo.nii.ac.jp/records/4383
https://jaxa.repo.nii.ac.jp/records/4383b47a55ad-6d60-48e5-90cf-99552ec6aafa
名前 / ファイル | ライセンス | アクション |
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65207011.pdf (637.3 kB)
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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 | 超臨界圧/遷臨界ジェットのLES解析: 噴流構造と特徴的な振る舞いについて | |||||
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_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 | Large-eddy simulation of trans/supercritical round jet: flow structure and its unique behavior | |||||
著者 |
寺島, 洋史
× 寺島, 洋史× 河合, 宗司× 山西, 伸宏× Terashima, Hiroshi× Kawai, Soshi× Yamanishi, Nobuhiro |
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著者所属 | ||||||
宇宙航空研究開発機構 (JAXA) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構宇宙科学研究所 (JAXA)(ISAS) | ||||||
著者所属 | ||||||
宇宙航空研究開発機構 (JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency (JAXA) | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA)(ISAS) | ||||||
著者所属(英) | ||||||
en | ||||||
Japan Aerospace Exploration Agency (JAXA) | ||||||
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: 第43回流体力学講演会: 航空宇宙数値シミュレーション技術シンポジウム2011論文集 en : JAXA Special Publication: Proceedings of 43rd Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2011 巻 JAXA-SP-11-015, p. 63-69, 発行日 2012-03-30 |
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会議概要(会議名, 開催地, 会期, 主催者等) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 第43回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2011 (2011年7月7日-8日. 早稲田大学国際会議場) 東京 | |||||
会議概要(会議名, 開催地, 会期, 主催者等)(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | 43rd Fluid Dynamics Conference / Aerospace Numerical Simulation Symposium 2011 (July 7-8, 2011. Waseda University, International Conference Center), Tokyo Japan | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Large-eddy simulation (LES) for trans/supercritical round jet flows was conducted, using a high-resolution numerical method (LAD/compact difference scheme), in order to clarify unique characteristics of jet flows under supercritical pressure conditions. The unsteady flow structures such as vortical structure show no peculiar features due to the supercritical pressure conditions, resulting in very similar vortical structures to those of general (ideal) gas jet flows in atmospheric pressure conditions. Comparison of mean properties with a measured and an earlier computational data demonstrates the capability of the present method to fairly represent trans/supercritical jet flow behaviors. Some unique characteristics of supercritical jet flows, which were suggested in our previous study with two-dimensional planar jets, are clearly observed also in the three-dimensional round jet flows by means of LES. A series of our studies on trans/supercritical jet flows establish that the unique characteristics of supercritical jet flows appears in the transcritical injection cases as the slower increase of mean temperature in streamwise direction and the generation of smaller flow scales compared with other injection conditions, and further their appearances are simply and effectively explained by T-rho diagrams. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: カラー図版あり | |||||
内容記述(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Physical characteristics: Original contains color illustrations | |||||
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: AA0065207011 | |||||
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-11-015 |