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リブレットの抵抗低減効果を模擬する乱流モデルの構築
https://jaxa.repo.nii.ac.jp/records/21691
https://jaxa.repo.nii.ac.jp/records/21691c56788e6-89aa-4458-92e2-604de02132e1
Item type | 学術雑誌論文 / Journal Article(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2016-03-28 | |||||
タイトル | ||||||
タイトル | リブレットの抵抗低減効果を模擬する乱流モデルの構築 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Riblet | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Drag Reduction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Turbulent Flows | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Aircraft | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Computational Fluid Dynamics | |||||
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 | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
その他のタイトル(英) | ||||||
その他のタイトル | Development of Turbulence Model to Simulate Drag Reducing Effects of Riblets | |||||
著者 |
岡林, 希依
× 岡林, 希依× 末永, 宇識× 淺井, 雅人× Okabayashi, Kie× Matsue, Takanori× Asai, Masahito |
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出版者 | ||||||
出版者 | Japan Society for Aeronautical and Space Sciences | |||||
出版者(英) | ||||||
出版者 | 日本航空宇宙学会 | |||||
書誌情報 |
日本航空宇宙学会論文集 en : Journal of the Japan Society for Aeronautical and Space Sciences 巻 64, 号 1, p. 41(41)-49(49), 発行日 2016-02-05 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | For practical CFD-aided design of riblets on aircrafts, we are aiming to develop a Reynolds-Averaged Navier-Stokes (RANS) turbulence model which can simulate drag reduction effects without resolving fine-scale flows near the riblets. Wilcox's rough wall boundary condition for Menter's SST model is modified to reproduce velocity shift in logarithmic region corresponding to riblet's drag reduction effects. Two basic relations for this model are derived from available experimental data and parametric analysis, and are validated in zero-pressure gradient boundary layers with two different-geometry riblets. Drag reduction rates corresponding to experimental results can be obtained with these relations. The new model, however, underestimates the effects of riblet mounted on NACA0012, which suggests that further improvement of the model is needed to account for influences of pressure gradient. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 形態: 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 illustrations | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1344-6460 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA11307372 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: DS1540529007 |