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考虑到飞机隐身等因素,飞机驾驶舱顶部为金属结构而不是传统的座舱盖结构,在弹射救生过程中,采用聚能爆破切割技术,切割金属结构形成“座舱盖”并抛放以清理弹射通道,且已在B-1B、B2飞机上采用。利用座舱顶部金属结构平板件,对聚能切割器装药量、切割厚度,切割过程冲击噪声对飞行员的影响、爆破飞溅物对飞行员的损伤防护等进行了分析和试验研究,并将冲击噪声对飞行员的影响与国军标的要求进行了对比。通过本次研究,将为以后的工程应用提供基础性依据。
Taking into account the aircraft stealth and other factors, the top of the cockpit for the metal structure instead of the traditional cockpit cover structure, in the ejection process of life, the use of energy blasting cutting technology, cutting the metal structure to form a “cockpit cover” and thrown to clean up Ejection channel, and has been used in B-1B, B2 aircraft. The use of the top of the cabin metal structure of the flat-panel pieces, on the cutting energy concentrator, cutting thickness, the impact of cutting noise impact on the pilot, the impact of blasting spatter pilot protection and analysis were conducted and impact of noise on The pilot’s impact is compared with the requirements of the national army. Through this study, will provide the basis for future engineering applications.