Numerical Analysis of the Horizontal Axis Wind Turbine with Wihglets
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概要
- 論文の詳細を見る
The objective of this paper is to show numerically the aerodynamic effectiveness of winglets on the performance of a horizontal axis wind turbine(HAWT). The winglets used in this study are an inclined extension of the rotor blade. For the numerical analysis, a vortex lattice method with a free wake model was used, as the method can be applied to arbitrary blade shapes and the model needs no parameter based on empirical data about the wake geometry. Calculations were performed on the flow field of the rotor wake and the rotor performance, and results were compared between rotors with and without winglets. To examine the effects on the strength of blades, the flatwise bending moment was also calculated. A small installation angle of winglets causes a large increase in the power coefficient but a small increase in the flatwise bending moment compared with the blades with radially extended winglets.
- 一般社団法人日本機械学会の論文
- 1998-02-15
著者
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Hasegawa Yutaka
Department Of Thoracic And Visceral Organ Surgery Gunma University Graduate School Of Medicine And F
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Kikuyama Koji
Department Of Mechanical Engineering Nagoya University
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IMAMURA Hiroshi
New Energy and Industrial Technology Development Organization, Research Fellow, MEL
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Hasegawa Yutaka
Department Of Mechanical Engineering Nagoya University
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Hasegawa Yutaka
Department Of Chemistry Faculty Of Scinece Toyama University
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Imamura Hiroshi
New Energy And Industrial Technology Development Organization Research Fellow Mel
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