Arrangement and Dynamic Behavior of Vortices from a Pitching Airfoil
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概要
- 論文の詳細を見る
Dynamic behavior of vortices generated behind the leading and trailing edges of pitching airfoils such as two kinds of flat plates, NACA0010, 0020, 65-0910 and an airfoil with a blunt trailing edge has been visualized using a schlieren technique with a high-speed camera in a wind tunnel. It was observed that small vortices were shed discretely from the leading and trailing edges. The frequency of vortex shedding was strongly dependent on the nondimensional pitching rate and was independent of the airfoil configuration as well as the Reynolds number. The frequecy of vortex shedding from the respective edge during one pitching cycle was the same and this result was observed similarly among all the test airfoils. Vortices existed which moved up from the trailing edge toward the leading edge on the suction surface and they played an important role in balancing the frequency of vortex shedding from the respective edge.
- 一般社団法人日本機械学会の論文
- 2000-08-15
著者
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TANAKA Kazuhiro
Department of Neurosurgery, Kobe University Graduate School of Medicine
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FUCHIWAKI Masaki
Science and Technology Center
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FUCHIWAKI Masaki
Department of Mechanical Systems Engineering, Kyushu Institute of Technology
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Tanaka Kazuhiro
Department Of Advanced Materials Science And Engineering Faculty Of Engineering Yamaguchi University
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FUCHIWAKI Masaki
Department of Mechanical Information Science and Technology, Kyushu Institute of Technology
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