Results 11 to 20 of about 30,351 (276)
Structural Health Monitoring Using Fibre Optic Acoustic Emission Sensors
Acoustic emission (AE) is widely used for condition monitoring of critical components and structures. Conventional AE techniques employ wideband or resonant piezoelectric sensors to detect elastic stress waves propagating through various types of ...
James Owen Willberry +2 more
doaj +3 more sources
A Review of Distributed Fibre Optic Sensors for Geo-Hydrological Applications
Distributed optical fibre sensing, employing either Rayleigh, Raman, or Brillouin scattering, is the only physical-contact sensor technology capable of accurately estimating physical fields with spatial continuity along the fibre. This unique feature and
Luca Schenato
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Fibre Optic Sensors for Structural Health Monitoring of Aircraft Composite Structures: Recent Advances and Applications. [PDF]
Di Sante R.
europepmc +2 more sources
Solar photovoltaic (PV) performance is affected by increased panel temperature. Maintaining an optimal PV panel temperature is essential for sustaining performance and maximizing the productive life of solar PV panels. Current temperature sensors possess
Samiappan Dhanalakshmi +6 more
doaj +1 more source
In this paper perfluorinated graded-index polymer optical fibers are characterized with respect to the influence of relative humidity changes on spectral transmission absorption and Rayleigh backscattering.
Andy Schreier +3 more
doaj +1 more source
Sewerage tunnel leakage detection using a fibre optic moisture-detecting sensor system [PDF]
The design and development of a new fibre optic sensor system for the optical detection of leakages in sewerage tunnels is reported. The system developed overcomes the disadvantages of the usually employed camera based inspection systems which are ...
Bremer, K. +6 more
core +1 more source
RTM production monitoring of the A380 hinge arm droop nose mechanism: a multi-sensor approach [PDF]
his research presents a case study of production monitoring on an aerospace composite component: the hinge arm of the droop nose mechanism on the Airbus A380 wing leading edge.
Chiesura, Gabriele +7 more
core +2 more sources
The Present and Future Status of Fibre Optic Sensors in Industry
The applicational requirements of sensors for the industrial market are discussed. The advantages and disadvantages of fibre optic industrial sensors are reviewed against these requirements and against the competitive advantages of electronic sensors. It
R S Medlock
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Applied Fiber Optic Measurement for Geohydraulic Engineering [PDF]
Engineers have long sought the possibility of measuring parameters such as temperature and pressure continuously in the underground with high precision, high spatial resolution and high band width of parameters. Distributed fibre optic measurement offers
Nishigaki, Makoto, Schreck, Martin
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Here, the authors demonstrate a blind and sparse near-field array signal processing approach to enhance the measurement quality of fibre-optic distributed acoustic sensors. It further enables the accurate estimation of the spatial coordinates of acoustic
Felipe Muñoz, Marcelo A. Soto
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