Journal of Applied Optics, Volume. 45, Issue 5, 1025(2024)
Research on sapphire optical fiber temperature measurement technology for aeroengine
Figures & Tables(8)
Fig. 1. Structure diagram of stagnation cover of sapphire fiber grating total temperature testing sensor probe
Fig. 3. Installation method for surface temperature measurement of sapphire fiber grating
Fig. 5. Sapphire fiber blackbody cavity radiation temperature measurement system
Fig. 6. Improved sapphire fiber blackbody cavity radiation temperature measurement system
Table 1. Comparative analysis of sapphire fiber temperature measurement technologies
View tableView in ArticleTable 1. Comparative analysis of sapphire fiber temperature measurement technologies
测温技术 测温范围/℃ 精度 应用环境 挑战 FBG 10～ 1900 ±2℃ 燃烧室、火焰筒等壁面温度；燃烧室、尾喷管等气流温度 参数交叉敏感；传感器的封装结构设计，可靠性及稳定性 F-P 20～ 1800 ±3℃ 对响应时间要求不高的燃气温度 封装、解调及信号处理困难；响应时间长；不同材料间的适配性 黑体腔 400～ 1800 ±1℃ 燃烧室、尾喷管等气流温度 系统相对复杂，低温无法测量，发射率对 测试结果影响较大 超声 12～ 1800 1% 涡轮叶片等热端部件表面温度、燃烧室气流温度 传感器体积较大，只能测量平均温度，且需要先标定再测量
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Fei ZHAO, Long ZHANG, Yaping ZHAO. Research on sapphire optical fiber temperature measurement technology for aeroengine[J]. Journal of Applied Optics, 2024, 45(5): 1025
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Received: Aug. 16, 2023
Accepted: --
Published Online: Dec. 20, 2024
The Author Email: ZHAO Fei (fay_zhao@yeah.net)
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