A technique for conducting of reactor in-situ tests of optical fibres and FBG-sensors intended for in-vessel applications in thermonuclear facilities; Fusion Engineering and Design; Vol. 191

A technique for conducting of reactor in-situ tests of optical fibres and FBG-sensors intended for in-vessel applications in thermonuclear facilities; Fusion Engineering and Design; Vol. 191

Podrobná bibliografie
Parent link:Fusion Engineering and Design.— .— Amsterdam: Elsevier Science Publishing Company Inc.
Vol. 191.— 2023.— Article number 113787, 7 p.
Korporativní autor: Томский политехнический университет (570)
Další autoři: Gnyrya V. S Vyacheslav Sergeevich, Tyurin Yu. I. Yuri Ivanovich, Kashaykin P. F., Kulsartov T. V. Timur Valikhanovich, Kenzhina I. E. Inesh, Zaurbekova Zh. A. Zhanna Askhatovna, Samarkhanov K. K. Kuanysh Kanatuly, Gordienko Yu. N. Yury Nikolaevich, Ponkratov Yu. V. Yury Valentinovich, Askerbekov S. K. Saulet Kanybekuly, Tolenova A. Yu., Shaymerdenov A. A. Aset Abdullaevich
Shrnutí:Title screen
A method for in-situ studies of the optical fibres (OFs) and the fibre Bragg grating (FBG) sensors radiation resistance under irradiation at the IVG.1 M research reactor (Kurchatov, Kazakhstan) was developed. For this purpose, an irradiation ampoule device (AD) was developed that makes it possible to carry out joint irradiation of investigated samples with a fast neutron flux of up to 2.4 1013 n/(cm2·s) and a dose rate of up to 1.57 kGy/s in the temperature range from 200 to 700 °C and pressures of 10–80 Pa. Studies of radiation-induced attenuation (RIA) of single-mode OF in various protective coatings (copper, aluminium and polyimide at a wavelength of 1.55 μm and in the spectral range from 1.1 to 1.7 μm were carried out. Fast neutron fluence and absorbed dose were ФE>0.1MeV=1.72·1017 n/cm2 and Dγ=11.3 MGy, respectively. It has been established that the method of fibre winding in AD has a critical influence and leads to a parasitic contribution of temperature-induced stress-related losses to optical losses arising during reactor irradiation. The operability of FBG sensors up to a temperature of 500 °C has been demonstrated. The developed methods make it possible to conduct in-situ studies of the radiation resistance of fibre-optic components under conditions close to their applications in thermonuclear and nuclear facilities.
Текстовый файл
AM_Agreement
Jazyk:angličtina
Vydáno: 2023
Témata:
электронный ресурс
труды учёных ТПУ
Optical fibre
FBG-based sensors
Experimental facility
Irradiation device
IVG.1M research reactor
Mixed gamma-neutron irradiation
On-line přístup:https://doi.org/10.1016/j.fusengdes.2023.113787
Médium: Elektronický zdroj Kapitola
KOHA link:https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=673451

Podobné jednotky

Podobné jednotky