scholarly journals High Precision Temperature Insensitive Strain Sensor Based on Fiber-Optic Delay

Sensors ◽  
2017 ◽  
Vol 17 (5) ◽  
pp. 1005 ◽  
Author(s):  
◽  
◽  
◽  
Keyword(s):  
High Precision ◽  
Fiber Optic ◽  
Strain Sensor ◽  
Precision Temperature

scholarly journals Wind Turbine Blade Monitoring with Brillouin-Based Fiber-Optic Sensors

2017 ◽  
Vol 2017 ◽  
pp. 1-5 ◽  
Author(s):  
Agnese Coscetta ◽  
Aldo Minardo ◽  
Lucio Olivares ◽  
Maurizio Mirabile ◽  
Mario Longo ◽  
...  
Keyword(s):  
Wind Turbine ◽  
Turbine Blade ◽  
Fiber Optic ◽  
Strain Sensor ◽  
Experimental Tests ◽  
Fiber Optic Sensors ◽  
Composite Blade ◽  
Operation Stability ◽  
Distributed Strain ◽  
Strain Detection

Wind turbine (WT) blade is one of the most important components in WTs, as it is the key component for receiving wind energy and has direct influence on WT operation stability. As the size of modern turbine blade increases, condition monitoring and maintenance of blades become more important. Strain detection is one of the most effective methods to monitor blade conditions. In this paper, a distributed fiber-optic strain sensor is used for blade monitoring. Preliminary experimental tests have been carried out over a 14 m long WT composite blade, demonstrating the possibility of performing distributed strain and vibration measurements.

Rotationally insensitive circular-core two-mode fiber-optic strain sensor

2010 ◽  
Vol 49 (11) ◽  
pp. 2183 ◽  
Author(s):  
Sachin N. Dekate ◽  
Barry Grossman
Keyword(s):  
Fiber Optic ◽  
Strain Sensor
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