2026-03-08T00:28:23Z https://mie-u.repo.nii.ac.jp/oai

oai:mie-u.repo.nii.ac.jp:00008172 2023-10-12T06:23:14Z 366:638:639

風洞実験による水平軸風車翼周りの流れに関する研究 : 第2報,翼面圧力分布による流れ状態の検討(流体工学,流体機械) 前田, 太佳夫 MAEDA, Takao 鎌田, 泰成 KAMADA, Yasunari 酒井, 雄作 SAKAI, Yusaku 高原, 直樹 TAKAHARA, Naoki 530 Fluid Machinery Wind Mill Blade Pressure Distribution Angle of Attack application/pdf This paper describes the results of the surface pressure measurements on a wind turbine rotor and the velocity measurements around the rotating blade. The experiments are carried out in a wind tunnel with a 2.4m diameter three-bladed wind turbine. The pressure taps are set at 31 positions in each of four test sections. Four radial sections at r/R=0.3, 0.5, 0.7 and 0.85 are selected for the measurements. The pressure distributions are measured for both rotating and non-rotating situation. These pressure distributions are compared and used for detecting the angle of attack for the rotating blade. The pressure distribution at r/R>0.7 shows the good agreements between rotating and non-rotating situation. The pressure distribution for the inner part of r/R<0.5 shows the stall delay. Also, by using the angle of attack estimated from the pressure distribution and the velocity distribution, the representative point for the relative velocity to the blade section is discussed. The angle of attack is compared with the designed value by the blade elements momentum theory. journal article 日本機械学会 2005-05-25 VoR application/pdf 日本機械学會論文集. B編 705 71 1383 1389 AN00187441 0387-5016 https://mie-u.repo.nii.ac.jp/record/8172/files/40A6587.pdf http://hdl.handle.net/10076/8129 https://mie-u.repo.nii.ac.jp/records/8172 jpn http://ci.nii.ac.jp/naid/110005051546/ 社団法人日本機械学会 本文データは学協会の許諾に基づきCiNiiから複製したものである