scholarly journals Distributed Sensing of a Cantilever Beam and Plate using a Fiber Optic Sensing System

2018 ◽  
Author(s):  
Patrick S. Heaney ◽  
Thomas G. Ivanco ◽  
Onur Bilgen
Keyword(s):  
Cantilever Beam ◽  
Fiber Optic ◽  
Distributed Sensing ◽  
Sensing System ◽  
Fiber Optic Sensing

Experimental Research on Interferometric Fiber-Optic Sensing System with Polarization Diversity Receiver

2010 ◽  
Vol 30 (6) ◽  
pp. 1566-1570
Author(s):  
王潇 Wang Xiao ◽  
张学亮 Zhang Xueliang ◽  
胡正良 Hu Zhengliang ◽  
曹春燕 Cao Chunyan ◽  
胡永明 Hu Yongming
Keyword(s):  
Experimental Research ◽  
Fiber Optic ◽  
Polarization Diversity ◽  
Sensing System ◽  
Fiber Optic Sensing ◽  
Diversity Receiver

Improved distributed fiber optic sensing system based on single-ended double-pulse input Brillouin scattering

2014 ◽  
Author(s):  
Tianying Chang ◽  
Ruijuan Yang ◽  
Yongliang Wang ◽  
David Y. Li ◽  
Lei Jia ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Brillouin Scattering ◽  
Double Pulse ◽  
Pulse Input ◽  
Sensing System ◽  
Fiber Optic Sensing

Fiber Optic Sensing System for Discriminating Multi-Axial Strain Components in Composite Elements

2006 ◽  
Author(s):  
Geert E. Luyckx ◽  
Wim De Waele ◽  
Joris Degrieck ◽  
Wim Van Paepegem ◽  
Johan Vlekken ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Axial Strain ◽  
Sensing System ◽  
Strain Components ◽  
Fiber Optic Sensing

Long-Range Pipeline Monitoring by Distributed Fiber Optic Sensing

2006 ◽  
Author(s):  
Daniele Inaudi ◽  
Branko Glisic
Keyword(s):  
Long Range ◽  
Fiber Optic ◽  
Field Application ◽  
Distributed Sensing ◽  
Critical Element ◽  
Gas Pipelines ◽  
Operational Parameters ◽  
Flow Lines ◽  
Coiled Tubing ◽  
Fiber Optic Sensing

Distributed fiber optic sensing presents unique features that have no match in conventional sensing techniques. The ability to measure temperatures and strain at thousands of points along a single fiber is particularly interesting for the monitoring of elongated structures such as pipelines, flow lines, oil wells and coiled tubing. Sensing systems based on Brillouin and Raman scattering are used for example to detect pipeline leakages, verify pipeline operational parameters, prevent failure of pipelines installed in landslide areas, optimize oil production from wells and detect hot-spots in high-power cables. Recent developments in distributed fiber sensing technology allow the monitoring of 60 km of pipeline from a single instrument and of up to 300 km with the use of optical amplifiers. New application opportunities have demonstrated that the design and production of sensing cables is a critical element for the success of any distributed sensing instrumentation project. Although some telecommunication cables can be effectively used for sensing ordinary temperatures, monitoring high and low temperatures or distributed strain present unique challenges that require specific cable designs. This contribution presents advances in long-range distributed sensing and in novel sensing cable designs for distributed temperature and strain sensing. The paper also reports a number of significant field application examples of this technology, including leakage detection on brine and gas pipelines, strain monitoring on gas pipelines and combined strain and temperature monitoring on composite flow lines and composite coiled-tubing pipes.

scholarly journals Fiber optic sensing system for monitoring of coal waste piles in combustion

2014 ◽  
Author(s):  
D. Viveiros ◽  
J. Ribeiro ◽  
J. P. Carvalho ◽  
J. Ferreira ◽  
A. M. R. Pinto ◽  
...  
Keyword(s):  
Fiber Optic ◽  
Coal Waste ◽  
Sensing System ◽  
Fiber Optic Sensing
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