基于荧光的光纤火灾报警系统[用于航空发动机]

2002 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533) Pub Date : 2002-05-10 DOI:10.1109/OFS.2002.1000694

T. Sun, K. Grattan, W. Sun

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引用次数: 3

摘要

为了满足航空发动机火灾探测的要求，讨论了一种基于荧光的光纤火灾报警系统，该系统具有重量轻、成本相对较低的优点。已经检测到低至50-100/spl度/C的温度偏移，目前的空间分辨率为/spl sim/20厘米。已经测试了长度为1.2米的Er和Tm掺杂光纤，并且在未来的工作中使用更高功率的激光二极管，将传感长度扩展到所需的最大3米似乎是可能的。所讨论的参考方法已被证明适用于各种试验条件。

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Fluorescence based optical fibre fire alarm system [for aeroengine application]

A fluorescence-based optical fibre fire alarm system, which offers the advantages of light weight and relatively low cost, has been discussed to address the specifications required for aeroengine fire detection. A temperature excursion as low as 50-100/spl deg/C has been detected and current spatial resolution achieved is /spl sim/20 cm. Lengths of 1.2 m of Er & Tm doped fibres have been tested and with a higher power laser diode in the future work an extension of the sensing length to the required maximum of 3 m seems possible. The referential method discussed has proved to be applicable under various testing conditions.

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2002 15th Optical Fiber Sensors Conference Technical Digest. OFS 2002(Cat. No.02EX533)

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