航空工程进展
航空工程進展
항공공정진전
ADVANCES IN AERONAUTICAL SCIENCE AND ENGINEERING
2011年
3期
273-275,297
,共4页
起落架%摆振%机轮%动力学%防摆设计
起落架%襬振%機輪%動力學%防襬設計
기락가%파진%궤륜%동역학%방파설계
landing gear%shimmy%wheel%dynamics%shimmy prevention design
飞机起落架的摆振严重影响着乘员的舒适度以及机体、起落架的使用寿命,因此起落架摆振是飞机结构动力学的重要研究课题之一。从摆振的最初理论基础出发,全面阐述了摆振产生的机理和防摆设计中需要重点考虑的因素;综述了国内外飞机起落架摆振研究的概况和最新进展;从工程设计角度,提出了起落架摆振验证的验证思路和方法。
飛機起落架的襬振嚴重影響著乘員的舒適度以及機體、起落架的使用壽命,因此起落架襬振是飛機結構動力學的重要研究課題之一。從襬振的最初理論基礎齣髮,全麵闡述瞭襬振產生的機理和防襬設計中需要重點攷慮的因素;綜述瞭國內外飛機起落架襬振研究的概況和最新進展;從工程設計角度,提齣瞭起落架襬振驗證的驗證思路和方法。
비궤기락가적파진엄중영향착승원적서괄도이급궤체、기락가적사용수명,인차기락가파진시비궤결구동역학적중요연구과제지일。종파진적최초이론기출출발,전면천술료파진산생적궤리화방파설계중수요중점고필적인소;종술료국내외비궤기락가파진연구적개황화최신진전;종공정설계각도,제출료기락가파진험증적험증사로화방법。
Aircraft landing gear shimmy seriously affects the comfort of occupants and service life of the body and landing gear,so landing gear wheel shimmy is one of the key issues of aircraft structural dynamics.In this paper,the initial theoretical basis of shimmy is described at first,and then the generating mechanism of shimmy and key factors to consider in prevention of shimmy design are elaborated.The overview of recent developments of shimmy studies is summarized,and the analysis and validation method of landing gear shimmy issue are presented in this paper from the view of engineering applications.