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characteristic", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "high Reynolds number wind tunnel test", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "two dimensional wind tunnel test", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "free stream turbulence effect", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "surface roughness effect", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}, {"subitem_subject": "flow visualization", "subitem_subject_language": "en", "subitem_subject_scheme": "Other"}]}, "item_language": {"attribute_name": "言語", "attribute_value_mlt": [{"subitem_language": "eng"}]}, "item_resource_type": {"attribute_name": "資源タイプ", "attribute_value_mlt": [{"resourcetype": "technical report", "resourceuri": "http://purl.org/coar/resource_type/c_18gh"}]}, "item_title": "Numerical and 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Numerical and experimental study of drag characteristics of two-dimensional HLFC airfoils in high subsonic, high Reynolds number flow
https://jaxa.repo.nii.ac.jp/records/41221
https://jaxa.repo.nii.ac.jp/records/412213100b187-7a5f-4163-93de-d0c8d93c2297
名前 / ファイル | ライセンス | アクション |
---|---|---|
naltr1244t.pdf (1.0 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
---|---|---|---|---|---|---|
公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Numerical and experimental study of drag characteristics of two-dimensional HLFC airfoils in high subsonic, high Reynolds number flow | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 層流制御 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | HLFC | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 混合型層流制御 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層制御 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層吸込み | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層遷移 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 遷移予測法 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 翼型抵抗低減 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 翼型空力特性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 高レイノルズ数風洞試験 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 2次元風洞試験 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 自由流乱れ効果 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 表面粗さ効果 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流れ可視化 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | laminar flow control | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | HLFC | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Hybrid Laminar Flow Control | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer control | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer suction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer transition | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | transition prediction method | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | airfoil drag reduction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | airfoil aerodynamic characteristic | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | high Reynolds number wind tunnel test | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | two dimensional wind tunnel test | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | free stream turbulence effect | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | surface roughness effect | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | flow visualization | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル | ||||||
その他のタイトル | 高亜音速、高レイノルズ数流れにおける2次元HLFC翼型の空力特性に関する数値的実験的研究 | |||||
著者 |
石田, 洋治
× 石田, 洋治× 野口, 正芳× 佐藤, 衛× 神田, 宏× Ishida, Yoji× Noguchi, Masayoshi× Sato, Mamoru× Kanda, Hiroshi |
|||||
著者所属 | ||||||
航空宇宙技術研究所 空力性能部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所 空力性能部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所 空力性能部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所 空力性能部 | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory Aircraft Aerodynamics Division | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory Aircraft Aerodynamics Division | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory Aircraft Aerodynamics Division | ||||||
著者所属(英) | ||||||
en | ||||||
National Aerospace Laboratory Aircraft Aerodynamics Division | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory (NAL) | |||||
書誌情報 |
航空宇宙技術研究所報告 en : Technical Report of National Aerospace Laboratory 巻 1244T, p. 1-12, 発行日 1994-07 |
|||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | ハイブリッド層流制御(HLFC)は実用上最も有望な航空機抵抗低減技術であるが、これまで理論、実験の両面から系統的に行われた研究は極めて少ない。我々は高亜音速、高レイノルズ数に於けるHLFC翼の空力特性を理論的、実験的に研究しているが、本報告では研究の出発点として、多孔、多溝各吸い込み表面を備えた2次元HLFC翼の、吸い込み有りと無しの場合の抵抗特性の風洞試験結果と、風洞試験において観察された自由流れや模型表面の粗さの影響を考慮に入れた新しい遷移点判定法と境界層計算とを組合わせた数値計算法による実験データの数値解析の結果について報告する。我々のHLFC翼は、実機飛行条件に近いマッハ数およびレイノルズ数条件において、20%を超える全抵抗(ウエーク抵抗と等価吸い込み抵抗の和)の低減を実現出来た。また数値解析は全般的に満足すべき予測を与えた。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Hybrid Laminar Flow Control (HLFC) is one of the most promising aircraft drag reduction technologies. However, very few experimental and theoretical studies have been reported. The aerodynamic characteristics of an HLFC airfoil and wing at high subsonic, high Reynolds number conditions have been investigated both numerically and experimentally. This paper reports the results of the wind tunnel test on drag characteristics, with and without suction, of two-dimensional HLFC airfoils with porous and slot suction approach under some adverse factors against laminar flow, and a numerical analysis of the wind tunnel data, which is based on the boundary layer calculation with a new transition prediction method allowed for the adverse factors and the Squire-Young drag formula. The HLFC models achieved total drag reduction of as high as 20 percent at realistic flight condition and the numerical method has given satisfactory predictions. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0389-4010 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0004252000 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL TR-1244T |