陆基飞机大下沉速度对称着陆试验方法

蒋启登

陆基飞机大下沉速度对称着陆试验方法

蒋启登

中国飞行试验研究院, 西安 710089

详细信息

中图分类号: V217⁺.32
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出版历程
- 收稿日期: 2013-01-04
- 网络出版日期: 2013-11-30

Flight test of high sink speed symmetric landing used in land-based aircraft strength verification

Jiang Qideng

Chinese Flight Test Establishment, Xi'an 710089, China

摘要

摘要: 为了安全高效地进行着陆试验以实现起落架结构强度和刚度试飞考核，从讨论飞机进场着陆飞行与起落架运动受载入手，深入分析了影响着陆下沉速度的诸多相关因素，并提炼出关键的影响与控制因素，在此基础上提出平飞飘落接地和直线下滑接地等着陆操纵技术以及多次着陆试验训练进行操纵方法学习、经验累积和反馈迭代的综合飞行试验方法.运用该方法在某型陆基飞机着陆试验中，最大下沉速度达2.47m/s，满足相关要求，从而实现了该型飞机着陆冲击条件下的起落架结构强度考核.
- 起落架 /
- 强度与刚度 /
- 缓冲性能 /
- 下沉速度 /
- 着陆操纵
Abstract: High sink speed landing was discussed which was used to verify the strength and rigidity and shock-absorbing ability of landing gear in land-based airplane flight test. Sink speed was one of the key factors in landing gear design and verification. In fact, aircraft landing was effected by many factors, so it is very difficult and full of high risk for pilot to manipulate an aircraft to land at sink speed regulated by specifications. Landing and touchdown methods,such as floating-drop and direct-gliding and landing training were put forward and used in flight tests. According to this, the sink rate of a land-based airplane flight test in domestic reached 2.47m/s, which is the maximum up to now.So the landing gears of this type aircraft satisfy relevant specifications.
- landing gear /
- strength and rigidity /
- shock-absorbing ability /
- sink speed /
- landing and steering

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参考文献(12)

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