从雪撞击加速测试中使用的头翼走廊用于以乘客为中心的车辆设计
Ardyn Olszko1,2, Alicia Abraczinskas1,2, Shannon McGovern1,3
1Injury Biomechanics Division, U.S. Army Aeromedical Research Laboratory, Fort Rucker, AL 36362, USA.
Military medicine
|November 10, 2023
概括
人类研究志愿者数据揭示了挑战现有飞机机生存设计指南 (ACSDG) 限制的头走廊. ACSDG的侧边限制对于有良好的控制能力的乘客来说是不够的,这表明需要更新飞机安全标准.
科学领域:
- 航空航天工程 航空航天工程
- 生物力学 生物力学
- 人类因素工程 人类因素工程
背景情况:
- 头部和干上部受伤在飞机机中很常见,头部受伤是最常见的.
- 防止头部和身体受伤对于乘客在飞机事故中生存至关重要.
- 目前的飞机机生存设计指南 (ACSDG) 面包是基于有限的人形测试设备数据.
研究的目的:
- 使用人类研究志愿者 (HRV) 数据开发头走廊.
- 评估现有的 ACSDG 面膜包的充分性.
- 为了在飞机机场景中更准确地表示头翼反应.
主要方法:
- 利用了6个撞击方向 (3-15g) 的714次HRV雪试验的数据.
- 从数字化高速电影中开发了基于时间和位置的头走廊.
- 将新开发的HRV羽走廊与ACSDG羽封面进行了比较.
主要成果:
- 为39个匹配的测试组开发了头翼走廊.
- ACSDG的垂直和前后边界并没有被HRV机翼走廊超越.
- ACSDG侧边界超过了4.6厘米至15.8厘米,表明不足.
结论:
- 在较低的暴露水平下,HRV 道提供了对受限性乘客反应的基线.
- 对于当前的安全标准来说,ACSDG的横向极限是不够的.
- 在更高的曝光或经过修改的限制条件下,ACSDG的垂直和前后边界也可能不足.
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