回流式低速風洞に於ける煙を用いた振動翼まわりの流れの可視化実験装置の開発

Material type: 文書・図像類

Author: 菊池, 孝男ほか

Publisher: 航空宇宙技術研究所

Publication date: 2000-01

Material Format: Digital

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Note (General)：: 航空宇宙技術研究所の回流単帰路式小型低乱風洞で、NASA GA(W)-1翼の回転中心位置が異なる場合における、翼まわりの気流の違いを煙の可視化により調べるために、煙を用いた振動翼まわりの流れの可視化実験装置を開発した。その構成は、煙吹出装置、2次元翼模型、2次元翼模型加振動装置、排煙装置、撮影装置か...

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Material Type: 文書・図像類
Title: 回流式低速風洞に於ける煙を用いた振動翼まわりの流れの可視化実験装置の開発
Author/Editor: 菊池, 孝男
Kikuchi, Takao
Author Heading: 菊池, 孝男
Kikuchi, Takao
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 2000-01
Publication Date (W3CDTF): 2000-01
Alternative Title: Development of a flow visualization system using smoke in a closed-return type low-speed wind tunnel
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory
No. or year of volume/issue: 1402
Volume: 1402
Pages: 1-18
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: jpn
Subject Heading: 流れの可視化
回流式低速風洞
煙
振動系
煙吹出装置
NASA GA(W)-1翼
2次元翼
非定常流
翼振動
flow visualization
closed return type low sped wind tunnel
smoke
oscillating system
smoke exhausting device
NASA GA(W) 1 foil
two dimensional model foil
unsteady flow
foil oscillation
Target Audience: 一般
Note (General): 航空宇宙技術研究所の回流単帰路式小型低乱風洞で、NASA GA(W)-1翼の回転中心位置が異なる場合における、翼まわりの気流の違いを煙の可視化により調べるために、煙を用いた振動翼まわりの流れの可視化実験装置を開発した。その構成は、煙吹出装置、2次元翼模型、2次元翼模型加振動装置、排煙装置、撮影装置からなる。その機能は、風速10m/sにおいて、2次元模型の平均迎角±45度、加振振幅±10度、加振振動数0.1〜8Hzで可視化実験が可能である。試験の結果、ほぼ満足のゆく結果が得られた。特に、排煙装置と2次元模型加振装置では良い結果が得られた。
A flow visualization system using smoke was developed in a close-return type low speed wind tunnel. The purpose of developing this system was to investigate the unsteady flow patterns around the NASA GA(W)-1 2D airfoils which are oscillated in a pitching quasi-harmonic motion around axes near the leading and the trailing edge. The feature of this system is that both the smoke creating and smoke exhausting devices are installed in the settling chamber and at the down stream part of the test section. Consequently, it is possible to conduct long experiments without any other efforts to exhaust the smoke of any significant pollution of the tunnel walls by the smoke oil. The model driving system enables quasi-harmonic oscillation up to a frequency of 8 Hz, with three electric motors controlled by a personal computer. It is also possible to automatically change the parameters; the mean-angle of attack, the amplitudes and the frequencies in a short time by monitoring the information on the CRT (Cathode Ray Tube). The efficiency of experiments is highly improved as a result. The following is an outline of the visualization system ad it's performance.
資料番号: AA0028650000
レポート番号: NAL TR-1402
Source: https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=41474&item_no=1&attribute_id=31&file_no=1
https://jaxa.repo.nii.ac.jp/?action=repository_action_common_download&item_id=41474&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