拦阻着舰过程中不同百分位人体颈部损伤风险的差异对比  

Differences of Neck Injury Risks for Different Dummies During Arrested Landing

作　　者：柯鹏[1] 诸斌 柳松杨[2] 李鸣皋[3] 赵鑫[3] KE Peng;ZHU Bin;LIU Songyang;LI Minggao;ZHAO Xin(School of Transportation Science and Engineering,Beihang University,Beijing 100191,China;Air Force Aviation Medical Research Institute,Beijing 100053,China;Center of Nautical ＆ Aviation Medicine,Navy General Hospital of PLA,Beijing 100048,China)

机构地区：[1]北京航空航天大学交通科学与工程学院,北京100191 [2]中国人民解放军空军航空医学研究所,北京100053 [3]中国人民解放军海军总医院航海航空医学中心,北京100048

出　　处：《医用生物力学》2018年第5期383-389,共7页Journal of Medical Biomechanics

基　　金：总后十二五重大课题(AHJ2011Z001)

摘　　要：目的对比拦阻着舰过程中不同百分位人体颈部损伤风险的差异。方法利用已建立的人椅背带系统动力学模型和头颈部力学模型,采用文献中典型拦阻着舰过程座椅底部的加速度曲线作为输入条件,开展数值仿真,验证模型的正确性,并得到假人颈部各关节的轴向力、剪切力和弯矩等力学参数。结果第95百分位假人的剪切损伤Nkm指数高于第5百分位假人。假人上、下部颈椎的Nij指数小于0. 2,Nkm指数约为0. 65。结论在拦阻着舰过程中,人体颈部更容易产生由于关节剪切力导致的损伤。研究结果可为评估不同百分位人体在典型拦阻着舰过程中的颈部损伤风险提供数据支持。Objective To compare the differences of neck injury risks for different mummies during arrested landing on naval vessels. Methods Based on the established dynamic model of dummy-belt-seat systems and mechanical model of head-neck,with the acceleration curve at seat base during typical arrested landing reported in the literature as the input,numerical simulation was conducted to test the validity of the model,and the axial force,shear force,bending moment of typical joints in dummy neck during arrested landing were obtained.Results The injury index Nkm of 95 percentile dummy was higher than that of 5 percentile dummy. The injury index Nij of the dummy＇s upper and lower cervical spine was smaller than 0. 2,meanwhile the Nkm was around 0. 65. Conclusions During arrested landing,human neck was much easier to get hurt due to the shear force.The research findings can provide data support for evaluating neck injury risks of pilots with different sizes during typical arrested landing process.

关 键 词：颈部损伤 飞行员 拦阻着舰 

分 类 号：R318.01[医药卫生—生物医学工程]