Resilient linear infrastructure through dynamic distributed fibre optic strain sensing

通过动态分布式光纤应变传感实现弹性线性基础设施

• 批准号: RTI-2018-00428
• 负责人: Take, William
• 金额: $ 10.93万
• 依托单位: Queen's University
• 依托单位国家: 加拿大
• 项目类别: Research Tools and Instruments
• 财政年份: 2017
• 资助国家: 加拿大
• 起止时间: 2017-01-01 至 2018-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=642285
• 关键词: Resilient; linear; infrastructure; through; dynamic

The same type of fibre optic cables that form the backbone of Canada’s telecommunications network can be used in a different application to measure strain (the amount the cable is being stretched or compressed) at many thousands of locations along the length of the cable. Rapid advances over the past two years in dynamic distributed strain measurement technology now permit analysers that can measure strain to an accuracy of 7.5 microstrain every 100 mm over sensing lengths of 2 km, 550 times per second. This massive advance now provides a unique opportunity for scientists and engineers to exploit this technology to develop resilient linear infrastructure.

构成加拿大电信网络主干的同一类型的光纤电缆可用于不同的应用，以测量电缆长度上沿着数千个位置的应变（电缆被拉伸或压缩的量）。在过去的两年中，动态分布式应变测量技术的快速发展使分析仪能够在2 km的传感长度上以每秒550次的速度测量每100 mm 7.5微应变的精度。这一巨大的进步现在为科学家和工程师提供了一个独特的机会，利用这项技术开发弹性线性基础设施。