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大規模乱流場を用いた交差独立性仮説の実験的検証
https://jaxa.repo.nii.ac.jp/records/6575
https://jaxa.repo.nii.ac.jp/records/65758ea25fa2-83ee-4d09-878c-bfa211d1b947
名前 / ファイル | ライセンス | アクション |
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47776021.pdf (536.6 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 | 大規模乱流場を用いた交差独立性仮説の実験的検証 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 大スケール乱流 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 交差独立性仮説 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 確率分布関数 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | スキューネス | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 熱線流量計 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱流発生装置 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 交差速度 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱流モデル | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | large-scale turbulence | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | cross-independence hypothesis | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | probability distribution function | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | skewness | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | hot-wire flowmeter | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulence generator | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | cross velocity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | turbulence model | |||||
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 | An experimental validation of the cross-independence hypothesis by using a large-scale turbulence | |||||
著者 |
蒔田, 秀治
× 蒔田, 秀治× 高佐, 重夫× 関下, 信正× Makita, Hideharu× Takasa, Shigeo× Sekishita, Nobumasa |
|||||
著者所属 | ||||||
豊橋技術科学大学 | ||||||
著者所属 | ||||||
豊橋技術科学大学 大学院 | ||||||
著者所属 | ||||||
豊橋技術科学大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Toyohashi University of Technology | ||||||
著者所属(英) | ||||||
en | ||||||
Toyohashi University of Technology Graduate School | ||||||
著者所属(英) | ||||||
en | ||||||
Toyohashi University of Technology | ||||||
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: 境界層遷移の解明と制御研究会講演論文集 第33回・第34回 en : JAXA Special Publication: Proceedings of the 33rd and 34th JAXA Workshops on Investigation and Control of Boundary-Layer Transition 巻 JAXA-SP-04-002, p. 71-74, 発行日 2005-01-28 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Tatsumi's cross-independence hypothesis was experimentally verified in homogeneous quasi-isotropic turbulent fields of R(sub lambda) approximately equal to 240 to 350. The PDF of the velocity-sum at two separated points was almost Gaussian in the whole wave-number range. But for the velocity-difference, it obeyed Gaussian in the low wave-number range and gave non-Gaussian distribution in the viscous subrange. Correlations were calculated between the velocity-sum and the velocity-difference to examine the statistical independence of the cross-velocity. The even-order correlations of the cross-velocity were almost completely independent. But the odd-order correlation did not show such independence, because the PDF of the velocity fluctuation is not strictly symmetric and the skewness can not be zero. Further modification is desired for the hypothesis by taking into account the existence of the viscous subrange and the asymmetrical PDF of the practical turbulent fields. | |||||
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: AA0047776021 | |||||
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-04-002 |