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Edge glow: A combined voltage/power controlled mechanism?

机译：边缘发光：组合电压/功率控制机制？

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The improvement of CFRP mechanical properties has led to the development of new materials in aeronautic industry. In the frame of engineering experiments for developing lightning strike protections, a phenomenon has been observed on edges of aircraft composite substructures, consisting in a bright glow combined with strong ejections. Uncertainties in the nature and the severity of this threat, so-called “edge glow”, make necessary to consider it as a potential fuel ignition source and to implement appropriate lines of defense. Behind the most intense event that seems controlled by the voltage drop across plies, a second edge glow regime seems related to a thermal mechanism at pre-existing contacts on the composite edge. The context of this work is the mitigation of edge glow phenomena with appropriate protection designs and installation principles. This paper presents experimental investigations on generic test coupons that aimed at understanding how current distributes into a local assembly governed by non-linear contacts and how far it impacts edge glow occurrence and intensity.
机译：CFRP机械性能的改善导致了航空工业新材料的开发。在用于开发雷击保护的工程实验框架中，在飞机复合子结构的边缘上观察到了现象，该现象包括在明亮的辉光中，与强弹性相结合。这种威胁的性质和严重程度的不确定性，所谓的“边缘发光”，必要需要将其视为潜在的燃料点火源，并实施适当的防守。在似乎由横跨帘布层的电压降控制的最强烈事件后面，第二边缘发光制度似乎与复合边缘上的预先存在的触点处的热机构相关。这项工作的背景是利用适当的保护设计和安装原则缓解边缘发光现象。本文对通用测试优惠券提出了旨在了解当前分配到由非线性触点管理的当地组件以及影响边缘发光发生和强度的速度有多远的实验研究。

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