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

Abstract

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

CLC Number:

V233

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

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