前起落架摆振激励板设计方法研究

贾天娇; 汤阿妮; 谢帅

doi:10.13433/j.cnki.1003-8728.20180129

前起落架摆振激励板设计方法研究

doi: 10.13433/j.cnki.1003-8728.20180129

1.
中国飞行试验研究院, 西安 710089

详细信息

作者简介:
贾天娇(1985-),工程师,硕士研究生,研究方向为飞机载荷与强度规范,起落架强度,jiatianjiaonihao@126.com

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- 文章访问数: 228
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- 被引次数: 0
出版历程
- 收稿日期: 2017-11-25
- 刊出日期: 2018-11-05

Design Method of Shimmy Plank for Nose Landing Gear

1.
Chinese Flight Test Establishment, Xi'an 710089, China

摘要

摘要: 本文给出了激励板设计标准之后，对扭转、侧向、纵向扰动的初始载荷进行了理论分析，包括尺度效应、延迟效应、形状效应，研究了激励板的安装角、横截面形状和尺寸等主要设计参数的影响作用。然后，通过带有柔性体的起落架多体建模仿真方法，验证了不同安装角下前起落架扭转、侧向和前后方向的激励效率，以及不同高度和宽度组合设计的激励板激励出的轮胎载荷及轮轴加速度响应。最后，摆振试验数据分析结果表明，设计的3种规格的激励板是安全有效的。
- 起落架 /
- 摆振 /
- 激励板 /
- 载荷 /
- 加速度
Abstract: After providing plank design criteria, the loads in yaw, lateral and longitudinal directions for initiating the shimmy were theoretically analyzed, considering the scaling effect, delaying effect, and form effect. Influence of the main parameters in plank design on initial loads was researched, such as installation angle, cross-section shape and size. Then, applying the multi body modeling and simulation method of landing gear with flexible body, confirmed excitation efficiency of nose landing gear with different installation angles in yaw, lateral and longitudinal directions, as well as tire loads and acceleration responses on axle, which were generated by the planks designed with different height and width. At last, the shimmy test results show that the three planks are safe and effective.
- landing gear /
- shimmy /
- plank /
- load /
- acceleration

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参考文献(15)

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