Observation of oblique T-S waves in boundary layer transition using a radial liquid film flow

Material type: 文書・図像類

Author: 東, 恒雄ほか

Publisher: 航空宇宙技術研究所

Publication date: 2000-12

Material Format: Digital

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Note (General)：: 航空宇宙技術研究所 27-29 Sept.2000 東京日本National Aerospace Laboratory 27-29 Sept.2000 Tokyo Japan弱波束と乱流斑点に随行する斜行T-S(Tollmien-Schlichting)波束および乱流斑点周辺の斜行T-S波を、一種...

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Material Type: 文書・図像類
Title: Observation of oblique T-S waves in boundary layer transition using a radial liquid film flow
Author/Editor: 東, 恒雄
Azuma, Tsuneo
Author Heading: 東, 恒雄
Azuma, Tsuneo
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 2000-12
Publication Date (W3CDTF): 2000-12
Alternative Title: 放射状液膜流れを用いた境界層遷移における斜行T-S波の観察
Periodical title: 航空宇宙技術研究所特別資料 = Special Publication of National Aerospace Laboratory
No. or year of volume/issue: 48T
Volume: 48T
Pages: 15-16
ISSN (Periodical Title): ISSN : 0289-260X
Text Language Code: eng
Subject Heading: 境界層遷移
斜行T-S波
Tollmien-Schlichting
放射状液膜流れ
波束
乱流斑点
流れ方向位相速度
乱流くさび
遷移過程
斜行撹乱波
boundary layer transition
oblique TS wave
Tollmien Schlichting
radial liquid film flow
wave packet
turbulent spot
streamwise phase velocity
turbulent wedge
transition process
oblique disturbance wave
Target Audience: 一般
Note (General): 航空宇宙技術研究所 27-29 Sept.2000 東京日本
National Aerospace Laboratory 27-29 Sept.2000 Tokyo Japan
弱波束と乱流斑点に随行する斜行T-S(Tollmien-Schlichting)波束および乱流斑点周辺の斜行T-S波を、一種の境界層と見なされる放射状薄液膜流れを用いて検討した。斜行波束はパルス状噴流吹き出しにより作り出し、高速写真撮影により観察した。弱波束と斑点背後の斜行T-S波の流れ方向位相速度が2次元T-S波の位相速度にほぼ同一である間は、乱流くさび周辺の速度は2次元T-S波の位相速度の約1.5倍であった。
Oblique T-S (Tollmien-Schlichting) wave packets trailing a weak wave packet and a turbulent spot and oblique T-S waves around a turbulent spot were investigated using a radial thin liquid-film flow, which was regarded as a kind of boundary layer. They were produced by a pulse-like jet injection and observed by high-speed photography. While the streamwise phase velocity of oblique T-S waves behind the weak wave packet and the spot were almost identical to the phase velocity of two-dimensional T-S wave, that around the turbulent wedge was approximately 1.5 times of the phase velocity of 2D T-S wave.
資料番号: AA0028637006
レポート番号: NAL SP-48T
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=41392&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=41392&item_no=1&attribute_id=31&file_no=1
Access Restrictions: 限定公開
Data Provider (Database): 国立情報学研究所 : 学術機関リポジトリデータベース（IRDB）（機関リポジトリ）
https://irdb.nii.ac.jp
Original Data Provider (Database): 宇宙航空研究開発機構 : 宇宙航空研究開発機構リポジトリ