Leak detection in a pipe using Fibre Bragg Grating sensor
The development of multiplexing capability for reflective matched fiber bragg gratings interrogation technique and its application in real-time micro cracks detection
High-sensitivity water leakage detection and localization in tunnels
In this paper, we devise a super absorbent polymer (SAP)-coated ultra-weak fiber Bragg grating (UWFBG) strain sensing cable that can detect and localize water leakage in long tunnels with
A Synchronous and Accurate Detection Method for Gas Pipeline
In this article, we present an innovative optical fiber detection method based on double fiber Bragg gratings (FBGs) string to solve this problem. Combined with the theory of material mechanics and
Leak detection of a gathering pipeline based on a sensitive designed
A fiber Bragg grating pressure sensing system integrating a diaphragm and an L-shaped cantilever beam as a sensitive structure is designed for pressure change monitoring of an oil and gas pipeline
Application of Fiber Bragg Grating Sensor Technology to Leak
Joints between diaphragm wall panels are weak spots in wall construction. It is essential that potential leak sites are detected prior to excavation. In this study, a novel leak detection and
Fibre Bragg grating-based sensing device for petrol leak detection
The cavity length of the corresponding change in grating pitch and the change Fiber FP filter in is tuned by a voltage signal via piezo fibre index due to photoelastic effects.
Fibertouch: A novel fiber-optic tactile sensor with deep learning
Although various tactile sensing systems have been proposed for robotic applications, existing solutions of electromagnetic-based, vision-based, and traditional fiber Bragg gratings (FBG)
Fiber Optic Sensors Boost Oil & Gas Safety
In oil & gas, early detection can prevent major safety, environmental, and operational incidents. Fiber Bragg Grating (FBG) sensors use optical fiber to monitor strain, temperature, pressure, and
Polymeric PEI/PEG coated optical fiber Fabry-Perot
In this study, a polyethyleneimine/ poly (ethylene glycol) (PEI/PEG) coated optical fiber Fabry-Perot interferometer (FPI) and its charge transfer process towards CO 2 is investigated.
Advances in fiber-optic-based 3D shape sensing technology
It examines quasi-distributed sensing approaches, including fiber Bragg gratings (FBGs), and addresses mitigation techniques for temperature-strain cross-sensitivity. A comparative analysis
(INVITED)Advances in fiber optic sensors for soil
In particular, the main studies referring to optical fiber sensors based on a variation of the refractive index of the external medium, sensors based on heated distributed temperature sensor
OPTICAL FIBER SENSOR ASSEMBLY
Abstract: A sensor assembly comprises an optical fiber having a sensing fiber portion that comprises at least one Fiber Bragg Grating. Further, the sensor assembly comprises a sensing body having body
Fiber optic Bragg-grating-based sensor for liquid hydrocarbon leak
In this paper, we present a new fiber optic Bragg grating sensor for petroleum hydrocarbon leak detection. The developed sensor includes fiber section with imprinted in the fiber
Hydrogen leak detection by means of fiber Bragg gratings covered by
Request PDF | Hydrogen leak detection by means of fiber Bragg gratings covered by a catalytic sensitive layer | In this paper, we present a novel hydrogen sensor based on a fiber Bragg
Hydrogen leak detection by means of fiber Bragg gratings covered by
In this paper, we present a novel hydrogen sensor based on a fiber Bragg grating covered by a catalytic sensitive layer. In presence of hydrogen in air, an exothermic reaction occurs
Leak detection in a pipe using Fibre Bragg Grating sensor
The National Aeronautics and Space Administration installed a fiber Bragg grating sensor network to measure strain and temperature on the space shuttle X-33 for real-time health
Fiber optic liquid leak detection technique with an
Request PDF | Fiber optic liquid leak detection technique with an ultrasonic actuator and a fiber Bragg grating | We present a technique for liquid leak detection in which ultrasonic and optical
Fiber Bragg grating sensor for petroleum hydrocarbon leak detection
A novel type of fiber optic Bragg grating sensor for petroleum hydrocarbon leak detection is presented. The sensor structure includes attached to the fiber a polymer member, which reversibly
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