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An Experimental Study of An Aerodynamically Optimum Windmill
https://jaxa.repo.nii.ac.jp/records/44955
https://jaxa.repo.nii.ac.jp/records/44955f655c5b3-ebe8-4333-a115-931425351dc3
名前 / ファイル | ライセンス | アクション |
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naltr00698.pdf (1.0 MB)
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Item type | テクニカルレポート / Technical Report(1) | |||||
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公開日 | 2015-03-26 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | An Experimental Study of An Aerodynamically Optimum Windmill | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_18gh | |||||
資源タイプ | technical report | |||||
その他のタイトル | ||||||
その他のタイトル | 効率最適化風車翼の実験的研究 | |||||
著者 |
石田, 洋治
× 石田, 洋治× 戸田, 亘洋× 星野, 秀雄× 野口, 正芳× ISHIDA, Yoji× TODA, Nobuhiro× HOSHINO, Hideo× NOGUCHI, Masayoshi |
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著者所属 | ||||||
航空宇宙技術研究所空気力学第二部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所空気力学第二部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所空気力学第二部 | ||||||
著者所属 | ||||||
航空宇宙技術研究所空気力学第二部 | ||||||
著者所属(英) | ||||||
en | ||||||
Second Aerodynamics Division, National Aerospace Laboratory(NAL) | ||||||
著者所属(英) | ||||||
en | ||||||
Second Aerodynamics Division, National Aerospace Laboratory(NAL) | ||||||
著者所属(英) | ||||||
en | ||||||
Second Aerodynamics Division, National Aerospace Laboratory(NAL) | ||||||
著者所属(英) | ||||||
en | ||||||
Second Aerodynamics Division, National Aerospace Laboratory(NAL) | ||||||
出版者 | ||||||
出版者 | 航空宇宙技術研究所 | |||||
出版者(英) | ||||||
出版者 | National Aerospace Laboratory(NAL) | |||||
書誌情報 |
航空宇宙技術研究所報告 en : Technical Report of National Aerospace Laboratory TR-698 巻 698, p. 13, 発行日 1982-02 |
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抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | An experimental study of aerodynamic characteristics of an optimum horizontal axis windmill is described. The windmill, rated at 20KW at 8m/s with a two bladed-rotor of 14m diameter, is designed so as to vary the geometry of the blade in such a way that the aerodynamic efficiency becomes maximum. The combined blade element-momentum theory is used as an analytical tool. To check the design method and get some useful aerodynamic data, a windtunnel test of a 1/7th scale model (2m diameter) is performed in NAL low-speed tunnel, whose test section is 5.5m by 6.5m. Two models, whose blades have the same optimum chord distribution but have different planforms, are tested. Measurements are made of the efficiency, torque, axial drag force and initial torque for various combinations of the pitch angle and the tip speed ratio. The yaw characteristics of the windmill are also measured. The test shows that the model windmills operate in almost the same manner as the design method predicts, at least, for the design conditions. | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0389-4010 | |||||
資料番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 資料番号: NALTR0698000 | |||||
レポート番号 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レポート番号: NAL TR-698 |