Author:
ZHANG Ming,WEI Xiyang,YANG Zimin,SHI Xiazheng
Abstract
为了分析起落架支柱柔性和机身柔性对飞机地面运动载荷的影响, 应用动力学基本原理, 建立了六轮小车式起落架动力学模型及全机模型。对活塞杆与外筒柔性化处理, 并在对称水平着陆、机尾下沉着陆和滚转着陆3种着陆工况下, 分析了小车式起落架的载荷分配情况, 研究了着陆工况及支柱柔度对小车式起落架载荷分配的影响。对机身进行柔性化处理, 分析机身柔性对地面载荷的影响。结果表明: 支柱柔度对起落架航向载荷影响较大, 对垂向载荷影响较小; 考虑机身柔性后, 弹性机身变形吸收能量, 有助于减弱机体振动, 起落架及轮胎上的载荷也明显减小。
Reference16 articles.
1. NIE Hong, WEI Xiaohui. Key technologies for landing gear of large civil aircrafts[J]. Journal of Nanjing University of Aeronautics & Astronautics, 2008(4): 427–432. [Article] (in Chinese)
2. RAYMER Daniel P. Aircraft design: a conceptual approach[M]. 4th ed. Washington: American Institute of Aeronautics and Astronautics, 1992
3. GU Songfen. Overall aircraft design[M]. Beijing: Beijing University of Aeronautics and Astronautics Press, 2001 (in Chinese)
Cited by
1 articles.
订阅此论文施引文献
订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献