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薄い2次元突起のある平板境界層の音に対する受容性
https://jaxa.repo.nii.ac.jp/records/37813
https://jaxa.repo.nii.ac.jp/records/3781388ce82f7-b0c9-4904-96ed-42d3a14978fb
名前 / ファイル | ライセンス | アクション |
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nalsp0025010.pdf (297.7 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 | 薄い2次元突起のある平板境界層の音に対する受容性 | |||||
言語 | ||||||
言語 | jpn | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層受容性 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層人工励起 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 音波励起 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 乱流遷移 | |||||
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 | 遷移制御 | |||||
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 | 2次元表面粗さ | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 流体力学的不安定 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 境界層不安定 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | トルミーン・シュリヒティング波増幅 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | 擾乱干渉 | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | T-S波 | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer receptivity | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer artificial excitation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | sound excitation | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | transition to turbulence | |||||
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 control | |||||
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 | two dimensional surface roughness | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | hydrodynamic instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | boundary layer instability | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Tollmien Schlichting wave growth | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | wave interaction | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | T S wave | |||||
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 | Receptivity of flat-plate boundary layer with two-dimensional roughness element to sound | |||||
著者 |
福西, 祐
× 福西, 祐× 小林, 陵二× 小濱, 泰昭× Saric, W. S.× Reed, H. L.× Fukunishi, Yu× Kobayashi, Ryoji× Kohama, Yasuaki× Saric, William S.× Reed, Helen L. |
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著者所属 | ||||||
東北大学 工学部 | ||||||
著者所属 | ||||||
東北大学 工学部 | ||||||
著者所属 | ||||||
東北大学流体科学研究所 | ||||||
著者所属 | ||||||
アリゾナ州立大学 | ||||||
著者所属 | ||||||
アリゾナ州立大学 | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Faculty of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Tohoku University Faculty of Engineering | ||||||
著者所属(英) | ||||||
en | ||||||
Institute of Fluid Science, Tohoku University | ||||||
著者所属(英) | ||||||
en | ||||||
Arizona State University | ||||||
著者所属(英) | ||||||
en | ||||||
Arizona State University | ||||||
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特別資料 en : Special Publication of National Aerospace Laboratory 巻 25, p. 33-36, 発行日 1994-10 |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | 単一または対の表面粗さ要素を付けた場合の平板境界層の外部からの音に対する受容性を風洞実験および数値シミュレーションによって調べた。2つの2次元的粗さ要素の間隔を変えることにより、その下流に発達するTollmien-Schlichting(T-S)波を制御できることが示された。平板上に単一の粗さ要素がある場合の数値シミュレーションは、生成されたT-S波の振幅が粗さの主流方向の幅の関数であることを示す。この効果は、粗さの上流側角と下流側角とでそれぞれ発生する渦の干渉によると説明できる。 | |||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | The receptivity of a flat-plate boundary layer to freestream sound when one or two roughness elements are attached to the surface is investigated by both wind tunnel experiments and numerical simulations. It is shown that the amplitude of the Tollmien-Schlichting (T-S) waves which develop downstream can be controlled by changing the distance between the two-dimensional elements. When single roughness element is on the surface of the flat-plate, the results of the numerical simulation show that the amplitude of the generated T-S wave is a function of the roughness width. It is shown that this effect can be explained as an interaction between the waves generated at the upstream edge of the element and the waves generated at the downstream edge. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0289-260X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN10097345 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: AA0004172010 | |||||
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 SP-25 |