On the Spanwise Uniformity of Wind Tunnel Test Data of Transonic Airfoils

Material type: 文書・図像類

Author: 伊藤, 忠ほか

Publisher: 航空宇宙技術研究所

Publication date: 1981-04

Material Format: Digital

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Note (General)：: The spanwise uniformity of the flow around two-dimensional models of airfoils has been examined for the 100×400 transonic wind tunnel and the 2M×2M tr...

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Material Type: 文書・図像類
Title: On the Spanwise Uniformity of Wind Tunnel Test Data of Transonic Airfoils
Author/Editor: 伊藤, 忠
鈴木, 弘一
神谷, 信彦
ITO, Tadashi
SUZUKI, Koichi
KAMIYA, Nobuhiko
Author Heading: 伊藤, 忠
鈴木, 弘一
神谷, 信彦
ITO, Tadashi
SUZUKI, Koichi
KAMIYA, Nobuhiko
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1981-04
Publication Date (W3CDTF): 1981-04
Alternative Title: 遷音速翼型の風胴試験結果の翼幅方向の一様性について
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-665
No. or year of volume/issue: 665
Volume: 665
Pages: 46-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: eng
Target Audience: 一般
Note (General): The spanwise uniformity of the flow around two-dimensional models of airfoils has been examined for the 100×400 transonic wind tunnel and the 2M×2M transonic wind tunnel. For flows of free-stream Mach numbers below the drag-divergence Mach number, the spanwise uniformity of the section drag coefficient is good in the region around the center section. Although the spanwise uniformity is bad for flows of freestream Mach numbers above that, the drag-divergence Mach number can be obtained accurately. In order to improve the spanwise uniformity of the section drag coefficient, it would be necessary to survey the wake at a station close to the trailing edge rather than at a station 1-3 chords downstream of the trailing edge, as was done in this experiment. The spanwise uniformity of pressure distribution and of section lift coefficient is fairly good in the region around the center section. The spanwise uniformity is better at Mach numbers below MLD than at Mach numbers above MLD.
資料番号: NALTR0665000
レポート番号: NAL TR-665
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