A numerical study of the effects of aerofoil shape on low reynolds number aerodynamics

H. Aono, T. Nonomura, M. Anyoji, A. Oyama, K. Fujii

研究成果: 書籍/レポート タイプへの寄稿会議への寄与

抄録

A numerical study of the effects of airfoil shape on low Reynolds number aerodynamics is presented. The large-eddy simulations are performed with 6 th-order compact finite difference scheme and 10th-order low pass filter, and 2nd-order backward implicit time integration with inner iterations. Systematic numerical excesses show the feasibility of the current simulations to predict flow fields around fixed-wing configurations involving a laminar separation and laminar-to-turbulence transition at low Reynolds number. At the Reynolds number of 2.3×104, two types of thin and asymmetric airfoils as a target airfoil shape of micro-size air vehicle are considered. The results show that the airfoil cross section affects the formation of a laminar separation bubble and the transition to turbulence in the three-dimensional flow around the wings at low angle of attack and hence significant influence on the aerodynamic performance.

本文言語英語
ホスト出版物のタイトルProceedings of the 8th International Conference on Engineering Computational Technology, ECT 2012
出版社Civil-Comp Press
100
ISBN(印刷版)9781905088553
出版ステータス出版済み - 1月 1 2012
外部発表はい
イベント8th International Conference on Engineering Computational Technology, ECT 2012 - Dubrovnik, クロアチア
継続期間: 9月 4 20129月 7 2012

その他

その他8th International Conference on Engineering Computational Technology, ECT 2012
国/地域クロアチア
CityDubrovnik
Period9/4/129/7/12

!!!All Science Journal Classification (ASJC) codes

  • 環境工学
  • 土木構造工学
  • 計算理論と計算数学
  • 人工知能

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