Detection of hydrates with neutron activation inside submarine pipelines : Efficiency of neutron-based technique

Efficiency of neutron-based technique
Detection of hydrates with neutron activation inside submarine pipelines

Authors : Sophie BOUAT, Ludovic PINIER, Xavier SÉBASTIAN, Adrian LOSKO, Rudolf SCHÜTZ, Michael SCHULZ, Zsolt REVAY, Zeljko ILIC, Eric MAUERHOFER, Thomas BRÜCKEL, Ralph GILLES

Publication date: September 10, 2022 | Lire en français

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3. Efficiency of neutron-based technique

3.1 Neutron transmission

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3.1.1 Initial theoretical simulation

To assess the transmission capacities through the pipeline, the effective neutron collision cross-sections for each of the elements making up the pipeline have to be calculated. As a first approximation, the insulating layer is polypropylene (C₂H₆) with a reduced density, and the steel pipe is composed mainly of iron (Fe). Effective cross sections (σ) were therefore calculated for hydrogen (¹H), carbon (¹²C) and iron (⁵⁶Fe)...

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Efficiency of neutron-based technique