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�������պ����ѧѧ�� 2011, Vol. 37 Issue (1) :10-14    DOI:
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Effects of off-center location on aircraft attitude during catapult launch
Yu Hao, Nie Hong*
Key Laboratory of Fundamental Science for National Defense-Advanced Design Technology of Flight Vehicle, Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China

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Abstract�� Owing to the deck motion and some other factors, the aircraft often has off-center distance with the catapult orbit. To study with this phenomenon, considering the deck motion, landing gear cushion and flexible tires, a six-degree-of-freedom mathematic model of carrier-based aircraft off-center catapult launch was established. The aircraft attitude during catapult taxing affected by the off-center distance with typical deck motion was studied. From the off-center catapult launch calculation, three important conclusions were obtained.The yaw movement are affected clearly by the initial off-center distance and its amplitude increases with the increase of the initial off-center distance.The attenuation of the yaw movement is clearly during catapult taxing and the launch bar side bending moment increases with the increase of the initial off-center distance. The results provide theoretical foundation for carrier-based aircraft design.
Keywords�� carrier-based aircraft   catapult launch   off-center distance   landing gear   deck motion     
Received 2009-11-25;
About author: �� ��(1982-),��,����������,��ʿ��,yuhao@nuaa.edu.cn.
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�ں�, ����.ƫ���Ķ�λ�Ե�������зɻ���̬��Ӱ��[J]  �������պ����ѧѧ��, 2011,V37(1): 10-14
Yu Hao, Nie Hong.Effects of off-center location on aircraft attitude during catapult launch[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2011,V37(1): 10-14
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