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3 results on '"Harino, Yohei"'

1. Optimum aeorelastic design of a flapping wing

Author

Isogai, Koji and Harino, Yohei

Subjects
Drone aircraft -- Design and construction, Drone aircraft -- Mechanical properties, Airplanes -- Wings, Airplanes -- Design and construction, Airplanes -- Mechanical properties, Aerospace and defense industries, Business, Science and technology
Abstract

A method is presented for the optimum aeroelastic design of a flapping wing employing a lifting-surface theory as an aerodynamic tool and the complex method as the optimization algorithm. The method is applied to the optimum design of a flapping wing of a Kite Hawk (Milvus migrans) unmanned air vehicle and the optimum thickness distribution of the main spar is determined. As a result of the optimization, a high propulsive efficiency of 75% is attained considering only dihedral flapping of the main spar. By evaluating the viscous effect for this optimum design using a three-dimensional Navier-Stokes code, the effectiveness of the design is confirmed. DOI: 10.2514/1.27142

Published
2007

2. Optimum aeroelastic design of flapping wing for micro air vehicles

Author

Isogai, Koji, Kamisawa, Yuichi, Harino, Yohei, and Sato, Hiroyuki

Subjects
propulsive efficiency, 推進効率, aeroelastic deformation, design optimization, 羽ばたき翼, 設計最適化, Navier-Stokes equation, 運動方程式, aeroelasticity, equation of motion, 空力弾性, unmanned aerial vehicle, ナビエ・ストークス方程式, 航空機設計, 無人飛行機, 空力弾性変形, flapping wing, aircraft design
Abstract

A method is presented for the optimum aeroelastic design of a flapping wing employing lifting-surface theory as an aerodynamic tool and the complex method as the optimization algorithm. The method is applied to the optimum design of a flapping wing of a Kite Hawk (Milvus migrans) UAV (Unmanned Aerial Vehicle) and the optimum thickness distribution of the main-spar is determined. As the result of the optimization, a high propulsive efficiency of 75 percent is attained considering only dihedral flapping of the main spar. By evaluating the viscous effect for this optimum design using a three-dimensional Navier-Stokes code, the effectiveness of the design is confirmed., 資料番号: AA0063824003, レポート番号: JAXA-SP-07-008E

Published
2008

3. Optimum aeroelastic design of flapping wing for micro air vehicles

Author

Isogai, Koji, Kamisawa, Yuichi, Harino, Yohei, Sato, Hiroyuki, 磯貝 紘二, 上澤 裕一, 播野 洋平, 佐藤 寛幸, Isogai, Koji, Kamisawa, Yuichi, Harino, Yohei, Sato, Hiroyuki, 磯貝 紘二, 上澤 裕一, 播野 洋平, and 佐藤 寛幸

Abstract

A method is presented for the optimum aeroelastic design of a flapping wing employing lifting-surface theory as an aerodynamic tool and the complex method as the optimization algorithm. The method is applied to the optimum design of a flapping wing of a Kite Hawk (Milvus migrans) UAV (Unmanned Aerial Vehicle) and the optimum thickness distribution of the main-spar is determined. As the result of the optimization, a high propulsive efficiency of 75 percent is attained considering only dihedral flapping of the main spar. By evaluating the viscous effect for this optimum design using a three-dimensional Navier-Stokes code, the effectiveness of the design is confirmed., JAXA Special Publication, 宇宙航空研究開発機構特別資料

Published
2015

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