光纤传感器用于测量河流和运河中的水速
Armando Rodriguez1,2, Pedro Dieguez3,4, Jose Carlos Urroz3,4
1Department of Electrical, Electronic and Communication Engineering, Universidad Publica de Navarra, 31006, Pamplona, Spain. armando.rodriguez@unavarra.es.
Scientific reports
|June 11, 2024
概括
和烯酸涂层光纤传感器准确测量开放道中的水速度. 这些纤维布拉格格网 (FBG) 传感器为环境流量监控提供可靠的性能.
科学领域:
- 环境工程 环境工程
- 光学传感技术的技术
- 流体动力学 流体动力学
背景情况:
- 精确测量水速对于水文研究和环境管理至关重要.
- 传统的水速测量方法在某些开放道环境中可能受到限制.
- 光纤传感器由于其强度和灵敏度,提供了一个有前途的替代方案.
研究的目的:
- 调查使用纤维布拉格格 (FBG) 传感器来测量开放道中的水速.
- 为了评估不同纤维涂层对在水流条件下的传感器性能的影响.
- 通过计算建模和实验数据验证FBG传感器的准确性.
主要方法:
- 用各种涂层 (如,烯酸盐) 制造和部署FBG传感器.
- 使用开发的FBG传感器在开放道中测量水速的实验.
- 使用ANSYS-CFX软件在不同流速下进行纤维应变的数值模拟.
- 将实验数据与模拟结果进行比较,以评估传感器的准确性.
主要成果:
- 和烯酸涂层的FBG传感器由于其低弹性系数,最大限度地降低了hysteresis,表现出卓越的性能.
- 使用ANSYS-CFX的模拟显示与实验数据有很好的趋同,证实了FBG传感器的准确性.
- 该研究证实了FBG传感器在开放道环境中准确确定水速的能力.
- 涂层的FBG传感器在测量河流和运河中的水速分布方面表现得非常有效.
结论:
- FBG传感器,特别是那些涂有和烯酸盐的传感器,对于在开放道中测量水速非常有效.
- 开发的传感器系统为水文流量监测提供了可靠和准确的方法.
- 这些发现支持FBG传感器在各种水生环境中的实际应用,以进行环境评估.
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