| 差动式光纤传感器在叶尖间隙测量中的应用 |
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| 引用本文： | 马玉真,王新华.差动式光纤传感器在叶尖间隙测量中的应用[J].济南大学学报(自然科学版),2006,20(1):67-69. |
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| 作者姓名： | 马玉真 王新华 |
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| 作者单位： | 济南大学,机械工程学院,山东,济南,250022 |
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| 摘 要： | 分析了涡轮发动机叶尖径向间隙变化对发动机性能的影响。根据叶尖间隙传感器的使用要求和应用环境：设计了差动式光纤位移传感器进行间隙测量，它采用单光纤传光，两组光纤束接收散射光的结构形式。该传感器能有效消除被测叶片叶尖表面反射率、光源波动等对测量结果的影响。
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| 关 键 词： | 叶尖间隙 光纤位移传感器 表面反射率 光源波动 |
| 文章编号： | 1671-3559(2006)01-0067-03 |
| 修稿时间： | 2005年6月8日 |
Application of Differential Optical Fiber Sensor on Tip Clearance Measurement |
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| MA Yu-zhen,WANG Xin-hua.Application of Differential Optical Fiber Sensor on Tip Clearance Measurement[J].Journal of Jinan University(Science & Technology),2006,20(1):67-69. |
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| Authors: | MA Yu-zhen WANG Xin-hua |
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| Abstract: | The conception of blade tip radial clearance of engine is introduced, and the effect of clearance variety to aero - engine s performance is analyzed. According to the application requirements and environment of tip clearance sensor, we have designed a differential optical fiber displacement sensor to measure tip clearance. This sensor adopted single - bundle fiber transmitters for laser beam delivery and double - bundle fibers for collecting the diffusely scattered light. The sensor can efficiently eliminate the influence of surface reflectivity of the measured blade tip and the light source fluctuation on measurement results. |
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| Keywords: | tip clearance optical - fiber displacement sensor surface reflectivity light source fluctuation |
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