摘要
飞机水上迫降后的漂浮特性受水面条件的影响较大,采用基于CATIA二次开发技术的漂浮特性计算方法结合三维势流理论对波浪运动响应的预报技术,对静水面和波浪水面的水上迫降漂浮特性进行了计算分析,通过对比计算结果,波浪水面条件对飞机水上迫降漂浮特性的影响较为明显,一是波浪水面上漂浮时间相较静水面会大大缩短,二是飞机在波浪水面漂浮时的运动特点导致机上乘员难以选择合适的逃生出口,因此在进行飞机总体和结构布置时,应急出口的设置要确保在任何水面条件下机上乘员都可以进行方便快捷的利用,以缩短乘员出舱时间,提高乘员的获救几率。
The floating characteristics of an aircraft after a water landing are significantly influenced by water surface conditions.In this study,a floating characteristics calculation method based on CATIA secondary development technology,combined with three dimensional potential flow theory for wave motion response prediction,was employed to analyze the floating characteristics of water landings on both still water and wavy water surfaces.By comparing the calculation results,it was found that wave conditions have a noticeable impact on the floating characteristics of aircraft in water landings.First,the floating time on a wavy surface is significantly shorter than on a still water surface.Second,the motion characteristics of the aircraft when floating on a wavy surface make it difficult for passengers to choose an appropriate escape exit.Therefore,when designing the overall layout and structure of an aircraft,emergency exits must be arranged to ensure that passengers can easily and quickly utilize them under any water surface conditions,thereby reducing the time for passengers to evacuate the cabin and increasing their chances of rescue.
作者
左仔滨
童明波
江婷
ZUO Zi-bin;TONG Ming-bo;JIANG Ting(Nanjing University of Aeronautics and Astronautics,Nanjing 210000,China;China Special Vehicle Research Institute,Jingmen 448000,China)
出处
《航空计算技术》
2025年第4期50-54,共5页
Aeronautical Computing Technique
基金
国家自然科学基金项目资助(52171330)。
关键词
水面条件
水上迫降
漂浮特性
water conditions
ditching
floating characteristics
作者简介
左仔滨(1986-),男,山东诸城人,高级工程师。
