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�������պ����ѧѧ�� 2010, Vol. 36 Issue (2) :223-226    DOI:
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Low speed characteristics of the saucer-shaped aircraft
Wang Linlin, Gao Ge*
National Key Laboratory on Aero-Engines, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� The saucer-shaped aircraft is a novel aircraft adopting blend-wing-body configuration. The wind tunnel experiments, stability analysis and flying tests were conducted to investigate the aerodynamic characteristics and stability features of the saucer-shaped aircraft under low speed conditions. The results show that the highest lift to drag ratio is 12.2, the stall angle of attack is 28°. Meanwhile saucer-shaped aircraft has stable longitudinal mode, rollover mode and Dutch roll mode. The spiral mode is unstable. The saucer-shaped aircraft exhibits superior flight qualities and excellent comprehensive performances.
Keywords�� aerodynamics   flight dynamics   stability   saucer-shaped aircraft     
Received 2009-01-14;
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Wang Linlin, Gao Ge.Low speed characteristics of the saucer-shaped aircraft[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(2): 223-226
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