摘要
高超声速飞行器是目前国际航空航天界最为活跃的研究领域之一,严酷的气动热/力/噪声等多场耦合环境给飞行器轻质/功能一体化结构强度带来了严峻挑战,已成为影响飞行器研制成败的关键因素。本文描述了高超声速飞行器在不同飞行包线下的主要耦合载荷环境特征,结合飞行器材料与结构设计要求,阐述了几类典型的高超声速飞行器结构多场耦合动力学问题,梳理了国内外相关热/力/振动/噪声等多场耦合技术研究进展,详细探讨了不同耦合环境下的飞行器结构动力学分析与试验关键技术,通过多场耦合技术现状与发展态势分析,总结提出了未来多场耦合的主要发展方向。
Hypersonic vehicle is currently one of the most active research fields in the international aerospace industry,severe aerodynamic heat/force/noise and other multi-field coupled load environments have brought severe challenges to the strength of the lightweight/functional integrated structure of the aircraft,which has become a key factor affecting the development of aircraft.This paper describe the main coupled load environment characteristics of hypersonic vehicles under different flight envelopes,according to the requirements of aircraft material and structure design,several types of typical hypersonic aircraft structure multi-field coupling dynamics problems are explained,the research progress of related heat/force/vibration/noise and other multi-field coupling technologies at home and abroad are reviewed,and the key technologies of dynamic analysis and test of aircraft structure under different coupling environments are discussed in detail.Finaly the main development direction of future multi-field coupling is summarized through analysis of the current situation and development trend of multi-field coupling technology.
作者
邹学锋
潘凯
燕群
郭定文
刘小川
Zou Xuefeng;Pan Kai;Yan Qun;Guo Dingwen;Liu Xiaochuan(AVIC Aircraft Strength Research Institute,Xi'an 710065,China;Aviation Science and Technology Key Laboratory of Aeronautical Acoustics and Vibration Intensity,Xi'an 710065,China)
出处
《航空科学技术》
2020年第12期3-15,共13页
Aeronautical Science & Technology
关键词
高超声速
多场耦合
动力学
热噪声
地面试验
hypersonic
multi-field coupling
dynamic response
thermal acoustic
ground test
