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Other TitleHigh-lift wing design based on design exploration with considering cross-flow effect
Author(jpn)金崎 雅博; 今村 太郎; Jeong, Shinkyu; 山本 一臣
Author(eng)Kanazaki, Masahiro; Imamura, Taro; Jeong, Shinkyu; Yamamoto, Kazuomi
Author Affiliation(jpn)宇宙航空研究開発機構 航空プログラムグループ; 宇宙航空研究開発機構 航空プログラムグループ; 東北大学流体科学研究所; 宇宙航空研究開発機構 航空プログラムグループ
Author Affiliation(eng)Japan Aerospace Exploration Agency Aviation Program Group; Japan Aerospace Exploration Agency Aviation Program Group; Institute of Fluid Science, Tohoku University; Japan Aerospace Exploration Agency Aviation Program Group
Issue Date2008-02-29
PublisherJapan Aerospace Exploration Agency (JAXA)
Publication title第39回流体力学講演会/航空宇宙数値シミュレーション技術シンポジウム2007論文集
Proceedings of 39th Fluid Dynamics Conference/Aerospace Numerical Simulation Symposium 2007
Start page68
End page74
Publication date2008-02-29
AbstractIn this paper, a multi-objective design exploration for a three-element airfoil which consists of a slat, main wing, and flap was carried out by paying attention to the span wise flow effect. Reynolds Averaged Navier-Stokes Solver (RANS) was used for the evaluation during the design process. To reduce computational time, '2.5-dimensional span wise calculation' was used. In this calculation, two same planes were arranged along span wise direction. They were diagonally arranged to represent the sweep angle and periodic boundary condition was used for the infinite span wise calculation. Kriging based Multi-Objective Genetic Algorithm (MOGA) and ANalysis Of VAriance (ANOVA) were used for the design exploration. The objective functions were defined as the maximization of lift coefficient at landing and near stall conditions simultaneously. In this study, 54 sample points were evaluated for the construction of the Kriging model. Based on present evaluation method, the span wise flow was observed and it has an influence on the separation on the flap. Through the design exploration process, the differences of the designed results between 2.5D and 2D evaluation were observed by visualizing the design space.
DescriptionJAXA Special Publication
Keywordshigh lift wing; airfoil profile; Reynolds averaging; Navier-Stokes equation; aircraft design; multidisciplinary design optimization; genetic algorithm; leading edge slat; flap; sweptback wing; analysis of variance; 高揚力翼; 翼型プロフィル; レイノルズ平均化; ナビエ・ストークス方程式; 航空機設計; 複合領域設計最適化; 遺伝的アルゴリズム; 前縁スラット; フラップ; 後退翼; 分散解析
Document TypeConference Paper
JAXA Category特別資料
Report NoJAXA-SP-07-016

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