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翼のフラッターに及ぼす地面効果に関する研究 (風洞壁面上の境界層の影響) An Experiment of Ground Effects on Aerofoil Flutter - Effects of Wall Boundary Layer - ツバサ ノ フラッター ニ オヨボス ジメン コウカ ニ カンスル ケンキュウ (フウドウ ヘキメンジョウ ノ キョウカイソウ ノ エイキョウ) 菊地, 正憲 キクチ, マサノリ Kikuchi, Masanori 立野, 誠 タテノ, マコト 弓削, 俊夫 ユゲ, トシオ 市川, 明夫 イチカワ, アキオ Ichikawa, Akio 市川 イチカワ Ichikawa 明夫 アキオ Akio 平野, 公孝 ヒラノ, キミタカ Hirano, Kimitaka Tateno, Makoto Yuge, Toshio 市川, 明夫 イチカワ, アキオ Ichikawa, Akio 市川 イチカワ Ichikawa 明夫 アキオ Akio Flutter, Wind tunnel, Boundary Layer, Ground Effect Abstract A new transport system "Aero-train" with low energy consumption and sufficient energy efficiency has been proposed. It has wing and flies close to the grounds along a guide way of an open channel. The aerodynamic characteristics of the wing are strongly affected by the ground. In order to clarify the aerodynamic stability of the aero-train, it is necessary to consider effects of the ground on the flutter speed. Our aim of this thesis is to clarify the flutter speed under effects of ground by using two flutter apparatuses. To achieve thls, we have to remove the effect of boundary layer which develops on the wall of wind tunnel. So we have made a boundary layer suction device and tried remove them all. As a result, we could see the ground effects on aerofoil flutter more clearly. 宮崎大学工学部 Faculty of Engineering, University of Miyazaki 2006-08-30 jpn departmental bulletin paper VoR http://hdl.handle.net/10458/436 https://miyazaki-u.repo.nii.ac.jp/records/2470 AA00732558 05404924 宮崎大学工学部紀要 Memoirs of Faculty of Engineering, University of Miyazaki 35 205 210 https://miyazaki-u.repo.nii.ac.jp/record/2470/files/KJ00004439511.pdf application/pdf 885.7 kB 2020-06-21