JAXA Repository / AIREX 未来へ続く、宙(そら)への英知

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Other TitleExperimental study on aerodynamic characteristics of rotary wings for a miniature Mars exploration rotorcraft at ultra-low Reynolds numbers
Author(jpn)都築 範明; 佐藤 俊逸; 安部 隆士
Author(eng)Tsuzuki, Noriaki; Sato, Shunichi; Abe, Takashi
Author Affiliation(jpn)東京大学 大学院; 宇宙航空研究開発機構 宇宙科学研究本部; 宇宙航空研究開発機構 宇宙科学研究本部
Author Affiliation(eng)University of Tokyo Graduate School; Japan Aerospace Exploration Agency Institute of Space and Astronautical Science; Japan Aerospace Exploration Agency Institute of Space and Astronautical Science
Issue Date2004-05
PublisherInstitute of Space and Astronautical Science, Japan Aerospace Exploration Agency (JAXA/ISAS)
Publication title宇宙航行の力学シンポジウム 平成15年度
Symposium on Flight Mechanics and Astrodynamics 2003
Start page39
End page42
Publication date2004-05
AbstractUnderstanding on an efficient small-scale hovering rotor is required to make a miniature rotorcraft probe to explore the Martian surface. For this purpose, an experimental measurement of the aerodynamic characteristics of a small-scale rotor at ultra-low Reynolds numbers (Re = 2,000, 4,000, 8,000) was performed. The experimental results show that the airflow around the rotor is subject to the leading-edge vortex (LEV) and that the Blade Element Momentum Theory (BEMT) is valid at moderate collective pitch angles and that the capability of the rotor required for the rotorcraft probe is within reach.
Keywordsaerodynamic characteristic; ultra-low Reynolds number; rotary wing; Mars exploration rotorcraft; leading edge vortex; pitch angle; Knudsen number; blade element momentum theory; 空力特性; 超低レイノルズ数; 回転翼; 火星探査機; 前縁剥離渦; ピッチ角; Knudsen数; 翼素運動量理論
Document TypeConference Paper
JAXA Categoryシンポジウム・研究会

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