摘要
现代商业飞机中复合材料的使用率逐步上升,然而较低的电导率限制了其在蒙皮结构中的应用,一般还需搭接额外的导电结构以增强蒙皮内电流的导通性能。为分析复合材料飞机蒙皮电气特性及其影响因素,对蒙皮结构之间的搭接进行建模,并通过建立等效电路分析搭接结构电气特性影响机理。基于所构建的复合材料飞机蒙皮典型搭接结构模型,计算结构件类型、搭接方式对蒙皮电气特性的影响,并分析不同搭接方式受雷电间接效应的影响情况。计算及仿真结果表明:结构件的材质、形状及尺寸对蒙皮电气性能有一定影响,采取恰当的搭接方式可有效减小蒙皮结构阻抗、提升飞机雷电间接效应屏蔽性能。
The use of composite materials in modern commercial aircraft is gradually increasing.However,their low electrical conductivity limits their application in skin structures.To enhance the conductivity of current within the skin,additional conductive structures are often bonded.This study modeled the bonding structures of composite aircraft skins and analyzed the electrical properties and influencing factors by establishing equivalent circuits.Using a typical bonding structure model for composite aircraft skin,the effects of structural types and bonding modes on the electrical properties were calculated,and the impact of lightning indirect effects on different bonding modes was analyzed.The results of calculations and simulations show that the material,shape,and size of structural components affect the electrical properties of the skin.Adopting appropriate bonding modes can effectively reduce structural impedance and enhance the shielding performance against lightning indirect effects.
作者
杨占刚
魏宇昊
石旭东
YANG Zhangang;WEI Yuhao;SHI Xudong(College of Electronic Information and Automation,Civil Aviation University of China,Tianjin 300300,China;Key Laboratory of Technology and Equipment of Tianjin Urban Air Transportation System,Tianjin 300300,China)
出处
《北京航空航天大学学报》
北大核心
2025年第10期3313-3323,共11页
Journal of Beijing University of Aeronautics and Astronautics
基金
国家自然科学基金(51407185)
天津市航空装备安全性与适航技术创新中心开放基金(JCZX-2023-KF-06)。
关键词
复合材料
飞机蒙皮
搭接方式
电气特性
雷电间接效应
composite material
aircraft skin
bonding mode
electrical properties
lightning indirect effect
