民用飞机吊挂指形罩鸟撞分析  

Analysis of bird strike on pylon thumbnail fairing for civil aircraft

作　　者：冒颖[1] MAO Ying(Shanghai Aircraft Design and Research Institute,Shanghai,201210)

机构地区：[1]上海飞机设计研究院,上海201210

出　　处：《民用飞机设计与研究》2020年第1期12-15,共4页Civil Aircraft Design & Research

摘　　要：指形罩结构位于吊挂前缘,作为动力装置整流罩体的一部分,为吊挂及发动机提供气动外形,并为燃油、液压、电气、环控等系统管路提供保护和通路。指形罩的位置及功能决定了其结构必须满足鸟撞要求,承受鸟体撞击后不能影响飞机安全。通常采用鸟撞试验对指形罩结构抗鸟撞性能进行适航验证。为了降低适航验证周期和成本,一般通过鸟撞分析来降低取证试验的撞击点数量。介绍了一种吊挂指形罩鸟撞分析过程和方法,并对分析方法进行了工程试验验证,得到一种可靠的指形罩鸟撞分析方法,为类似的飞机整流结构的鸟撞分析提供了参考。The thumbnail fairing is in the pylon leading edge.As part of power plant system fairing,It provides the smooth aerodynamic configuration for pylon and engine.It also provides protection and space of lines for fuel,Hydraulic,electronic and Air Management System.The thumbnail faring should meet the bird strike requirement and should not impact the safety of aircraft after bird strike according to its position and function.Bird strike test is usually used for airworthiness confirmation.Bird strike analysis is usually used to reduce the number of test impact location in order to lower the cost and time.This paper introduces an analysis process and method of pylon thumbnail fairing bird strike,and validates this method by an engineering bird strike test.Finally a reliable thumbnail fairing bird strike analysis method was obtained,which could provide an example for aircraft fairing bird strike analysis.

关 键 词：吊挂 指形罩 鸟撞分析 试验验证 

分 类 号：V215[航空宇航科学与技术—航空宇航推进理论与工程]