Application of Tube-Packaged FBG Strain Sensor in Vibration Experiment of Submar

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Application of Tube-Packaged FBG Strain Sensor in Vibration Experiment of Submarine Pipeline Model

Optical fiber sensors have received increasing attention in the fields of aeronautic and civil engineering for their superior ability to stand explosion, immunity to electromagnetic interference and high accuracy, especially fit for measurement applications in harsh environment. In this study, a novel FBG (fiber Bragg grating) strain sensor, which is packaged in a 1.2 mm stainless steel tube with epoxy resin, is developed. Experiments are conducted on the universal material testing machine to calibrate its strain transferring characteristics. The sensor has the advantages of small size, high precision and flexible use, and exhibits promising potentials. Five tube-packaged strain FBG sensors have been applied to the vibration experiment of a submarine pipeline model. The strain measured with the FBG sensor agrees well with that measured with the electric resistance strain sensor.

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作 者: REN Liang LI Hong-nan ZHOU Jing SUN Li LI Dong-sheng  
作者单位:State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology,Dalian 116024, China 
刊 名:中国海洋工程(英文版)  ISTIC EI SCI
英文刊名:CHINA OCEAN ENGINEERING 
年,卷(期):2006 20(1) 
分类号:P75 
关键词:fiber bragg grating sensor   strain sensor   tube-packaged   submarine pipeline model  
机标关键词:Submarine Pipeline Modelelectromagnetic interferencestrain sensorsubmarine pipeline modelmaterial testing machinestainless steel tubeelectric resistancecivil engineeringhigh accuracyBragg gratingepoxy resin 
基金项目:National Natural Science Foundation of China,辽宁省自然科学基金,大连理工大学校科研和教改项目 
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