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Self-compensating fiber optic flow sensor system and its field applications

机译：自补偿式光纤流量传感器系统及其现场应用

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摘要

A self-compensating fiber optic flow sensor system based on the principle of broadband white-light interferometers and cantilever beam bending is described. The fiber optic sensor system uses two fiber ferrule sensors that are bonded on either side of a cantilever beam to measure the flow rate by monitoring the air-gap changes caused by the bending of the cantilever beam. Cross sensitivity of the temperature and pressure dependence of the sensor can be compensated for automatically. The prototype sensor system was constructed, laboratory characterized, and field tested. The results from the field testing have demonstrated high resolution, repeatability, and stability for on-line detection of the flow rates of fluids.
机译：介绍了一种基于宽带白光干涉仪原理和悬臂梁弯曲原理的自补偿式光纤流量传感器系统。光纤传感器系统使用两个光纤插芯传感器，它们结合在悬臂梁的任一侧，以通过监视由悬臂梁的弯曲引起的气隙变化来测量流量。传感器温度和压力依赖性的交叉敏感度可以自动补偿。原型传感器系统已构建，经过实验室表征并经过现场测试。现场测试的结果证明了在线检测流体流速的高分辨率，可重复性和稳定性。

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