直径14m野外試験用風車翼の3/14縮尺模型の風洞試験

Material type: 文書・図像類

Author: 石田, 洋治ほか

Publisher: 航空宇宙技術研究所

Publication date: 1985-10

Material Format: Digital

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Note (General)：: An experimental study of aerodynamic characteristics of a horizontal axis windmill, rated at 20 KW at 8m/s, with a two-bladed rotor of 14m diameter is...

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Material Type: 文書・図像類
Title: 直径14m野外試験用風車翼の3/14縮尺模型の風洞試験
Author/Editor: 石田, 洋治
野口, 正芳
室田, 勝一
ISHIDA, Yoji
NOGUCHI, Masayoshi
MUROTA, Katsuichi
Author Heading: 石田, 洋治
野口, 正芳
室田, 勝一
ISHIDA, Yoji
NOGUCHI, Masayoshi
MUROTA, Katsuichi
Publication, Distribution, etc.: 航空宇宙技術研究所
Publication Date: 1985-10
Publication Date (W3CDTF): 1985-10
Alternative Title: A Wind Tunnel Test of 22％ Scale Model of a Windmill with a Two-Bladed Rotor of 14m Diameter for Field Test
Periodical title: 航空宇宙技術研究所報告 = Technical Report of National Aerospace Laboratory TR-887
No. or year of volume/issue: 887
Volume: 887
Pages: 19-
ISSN (Periodical Title): ISSN : 0389-4010
Text Language Code: jpn
Target Audience: 一般
Note (General): An experimental study of aerodynamic characteristics of a horizontal axis windmill, rated at 20 KW at 8m/s, with a two-bladed rotor of 14m diameter is described. The blade of the windmill was basically designed so as to vary its geometry in such a way that the aerodynamic efficiency becomes maximum and then was fabricated with minor modifications needed to satisfy structural requirements. To confirm the aerodynamic characteristics of the windmill rotor, a wind tunnel test of a 22％ scale model was performed in the NAL low-speed wind tunnel. Measurements were made of the efficiency, torque, axial drag force and initial torque for various combinations of the pitch angle and the tip speed ratio for a zero yaw angle. The data were corrected for the wake blockage effect. The yaw characteristics of the windmill were also measured. The test confirms the very high aerodynamic performance of the windmill rotor.
資料番号: NALTR0887000
レポート番号: NAL TR-887
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