励起された二次元噴流場の秩序渦構造

Material type: 文書・図像類

Author: 蒔田, 秀治ほか

Publisher: 航空宇宙技術研究所

Publication date: 1991-09

Material Format: Digital

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Note (General)：: Experimental investigation was made for the structure of coherent vortices in a two-dimensional excited jet with a parabolic velocity distribution. Tw...

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Material Type: 文書・図像類
Title: 励起された二次元噴流場の秩序渦構造
Author/Editor: 蒔田, 秀治
松元, 毅
佐々, 浩司
Makita, Hideharu
Matsumoto, Takeshi
Sassa, Koji
Author Heading: 蒔田, 秀治
松元, 毅
佐々, 浩司
Makita, Hideharu
Matsumoto, Takeshi
Sassa, Koji
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1991-09
Publication Date (W3CDTF): 1991-09
Alternative Title: Coherent Vortex Structure in a Two-Dimensional Excited Jet
Periodical title: 航空宇宙技術研究所特別資料 = Special Publication of National Aerospace Laboratory SP-15
No. or year of volume/issue: 15
Volume: 15
Pages: 5-10
ISSN (Periodical Title): ISSN : 0289-260X
Text Language Code: jpn
Subject Heading: jet; transition; conditional sampling; acoustic excitation; vorticity; convection velocity
Target Audience: 一般
Note (General): Experimental investigation was made for the structure of coherent vortices in a two-dimensional excited jet with a parabolic velocity distribution. Two characteristic modes of velocity fluctuation in the two-dimensional jet, i,e. the symmetrical and anti-symmetrical mode, were acoustically excited to improve the reproducibility in appearance of the vortex arrangement in each exciting mode. The employment of conditional sampling and phase averaging for the hot-wire outputs made it possible to catch the coherent vortex arrangements was clearly observed in vorticity contour maps. In each exciting mode, the convection velocity determined by the vorticity contour map was kept almost constant during the coherent vortex traveled downstream through the linear interaction, nonlinear interaction and randomizing regions.
資料番号: NALSP0015002
レポート番号: NAL SP-15
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43476&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=43476&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