水平冲击下头排乘员损伤及保护姿势研究

doi:10.7527/S1000-6893.2019.23489

固体力学与飞行器总体设计

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水平冲击下头排乘员损伤及保护姿势研究

解江^1,2, 马士成^1,2, 贺永龙^1,2, 杨永攀^1,2, 冯振宇^1,2, 王亚锋³, 杨欢³

1. 中国民航大学适航学院, 天津 300300;
2. 民航航空器适航审定技术重点实验室, 天津 300300;
3. 中国飞机强度研究所结构冲击动力学航空科技重点实验室, 西安 710065

收稿日期:2019-09-12 修回日期:2019-10-08 出版日期:2020-05-15 发布日期:2019-10-31
通讯作者: 解江 E-mail:xiejiang5@126.com
基金资助:
民机科研项目（MJ-2015-F-027）

Research on injury and brace position for front-row occupant under horizontal impact

XIE Jiang^1,2, MA Shicheng^1,2, HE Yonglong^1,2, YANG Yongpan^1,2, FENG Zhenyu^1,2, WANG Yafeng³, YANG Huan³

1. College of Airworthiness, Civil Aviation University of China, Tianjin 300300, China;
2. Key Laboratory of Civil Aircraft Airworthiness Technology, Tianjin 300300, China;
3. Aviation Key Laboratory of Science and Technology on Structures Impact Dynamics, Aircraft Strength Research Institute of China, Xi'an 710065, China

Received:2019-09-12 Revised:2019-10-08 Online:2020-05-15 Published:2019-10-31
Supported by:
Civil Aircraft Research Project (MJ-2015-F-027)

摘要/Abstract

摘要： 为研究水平冲击下不同参数对于头排乘员损伤的影响及不同保护姿势的保护效果。首先进行水平16g动态冲击试验，建立相应的数值模型，验证模型有效性；其次通过正交试验设计进行参数研究，揭示头排座椅间距、安全带刚度、隔板刚度、安全带固定点位置对于乘员损伤的影响；最后研究直立式、抱脚式、手顶式3种姿势对于头排乘员的保护效果。结果表明头排座椅间距以及隔板刚度对乘员头部损伤影响显著；头排乘员头部、颈部、股骨、胫骨损伤对安全带材料特性及安全带固定点位置不敏感；抱脚式、手顶式保护姿势均对头排乘员头部有较好的保护效果。在水平冲击下采用头部前倾的抱脚式保护姿势可使头排乘员头部、颈部、股骨及胫骨损伤均小于限定值。

关键词: 头排乘员, 水平冲击, 模型有效性, 参数研究, 保护姿势

Abstract: The objective of this study is to investigate the effects of different parameters and different brace positions on front-row occupant's injury. First of all, the horizontal 16g dynamic impact tests are conducted, and the corresponding multibody models are developed and validated based on the test data. Then parametric studies are conducted to investigate the effects of seat setback distances, stiffness of bulkhead and seatbelt, and seatbelt anchorage locations on occupant's injury. In addition, this study evaluates the effects of different brace positions on prevention of front-row occupant. Results show that the seat setback distances and stiffness of bulkhead had significant influences on the head injury of occupants. The injury of head, neck, femur, and tibia are not sensitive to the seatbelt material properties and seatbelt anchorage locations. The hand-hold-feet and hand-touch-bulkhead brace positions have good protection on head injury of front-row occupants. The hand-hold-feet brace position with head-forward could limit the injury of head, neck, femur, and tibia for front-row occupant within the limited value under emergency landing.

Key words: front-row occupant, horizontal impact, model validation, parametric study, brace position

中图分类号:

V233

解江, 马士成, 贺永龙, 杨永攀, 冯振宇, 王亚锋, 杨欢. 水平冲击下头排乘员损伤及保护姿势研究[J]. 航空学报, 2020, 41(5): 223489-223489.

XIE Jiang, MA Shicheng, HE Yonglong, YANG Yongpan, FENG Zhenyu, WANG Yafeng, YANG Huan. Research on injury and brace position for front-row occupant under horizontal impact[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2020, 41(5): 223489-223489.

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E-mail：hkxb@buaa.edu.cn

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主管单位：中国科学技术协会主办单位：中国航空学会北京航空航天大学

水平冲击下头排乘员损伤及保护姿势研究

Research on injury and brace position for front-row occupant under horizontal impact

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