Scipediacontent: Scipediacontent moved page Draft Content 565567815 to 238,295oe

2021-03-23T02:05:54Z

Scipediacontent moved page Draft Content 565567815 to 238,295oe

Scipediacontent: Created page with " == Abstract == Pipelines are the main transportation means for oil and gas products across large distances. Due to the severe conditions they operate in, they are regularly..."

2021-03-23T02:03:56Z

Created page with " == Abstract == Pipelines are the main transportation means for oil and gas products across large distances. Due to the severe conditions they operate in, they are regularly..."

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== Abstract ==

Pipelines are the main transportation means for oil and gas products across large distances. Due to the severe conditions they operate in, they are regularly inspected using conventional Pipeline Inspection Gages (PIGs) for corrosion damage. The motivation for researching a real-time distributed monitoring solution arose to mitigate costs and provide a proactive indication of potential failures. Fiber optic sensors with polymer claddings provide a means of detecting contact with hydrocarbons. By coating the fibers with a layer of metal similar in composition to that of the parent pipeline, corrosion of this coating may be detected when the polymer cladding underneath is exposed to the surrounding hydrocarbons contained within the pipeline. A Refractive Index (RI) change occurs in the polymer cladding causing a loss in intensity of a traveling light pulse due to a reduction in the fiber’s modal capacity. Intensity losses may be detected using Optical Time Domain Reflectometry (OTDR) while pinpointing the spatial location of the contact via time delay calculations of the back-scattered pulses. This work presents a theoretical model for the above sensing solution to provide a design tool for the fiber optic cable in the context of hydrocarbon sensing following corrosion of an external metal coating. Results are verified against the experimental data published in the literature.

Document type: Article

== Full document ==
<pdf>Media:Draft_Content_565567815-beopen1395-5688-document.pdf</pdf>

== Original document ==

The different versions of the original document can be found in:

* [http://europepmc.org/articles/PMC5677271 http://europepmc.org/articles/PMC5677271] under the license https://creativecommons.org/licenses/by

* [https://www.mdpi.com/1424-8220/17/10/2227/pdf https://www.mdpi.com/1424-8220/17/10/2227/pdf]

* [http://www.mdpi.com/1424-8220/17/10/2227/pdf http://www.mdpi.com/1424-8220/17/10/2227/pdf],
: [http://dx.doi.org/10.3390/s17102227 http://dx.doi.org/10.3390/s17102227] under the license cc-by

* [https://dblp.uni-trier.de/db/journals/sensors/sensors17.html#HandawiVSL17 https://dblp.uni-trier.de/db/journals/sensors/sensors17.html#HandawiVSL17],
: [https://www.ncbi.nlm.nih.gov/pubmed/28956847 https://www.ncbi.nlm.nih.gov/pubmed/28956847],
: [https://core.ac.uk/display/87623544 https://core.ac.uk/display/87623544],
: [https://academic.microsoft.com/#/detail/2760361011 https://academic.microsoft.com/#/detail/2760361011] under the license https://creativecommons.org/licenses/by/4.0/

* [https://www.mdpi.com/1424-8220/17/10/2227 https://www.mdpi.com/1424-8220/17/10/2227],
: [https://doaj.org/toc/1424-8220 https://doaj.org/toc/1424-8220]

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Scipediacontent: Scipediacontent moved page Draft Content 565567815 to 238,295oe

Scipediacontent: Created page with " == Abstract == Pipelines are the main transportation means for oil and gas products across large distances. Due to the severe conditions they operate in, they are regularly..."