Experimental study on practical application of optical fiber sensor (OFS) for high-temperature system

IF 2.6 3区工程技术 Q1 NUCLEAR SCIENCE & TECHNOLOGY

Nuclear Engineering and Technology Pub Date : 2024-07-09 DOI:10.1016/j.net.2024.07.025

Byeongyeon Kim , Youngwoong Kim , YunSook Lee , Ki-Ean Nam , Jung Yoon , Yong-Hoon Shin , Hyeonil Kim , Jewhan Lee , BongWan Lee

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Abstract

This study explores the application of Raman scattering-based optical fiber sensors (OFSs) in extreme environments, specifically focusing on a loop heater vessel with temperatures ranging from 200 °C to 680 °C. This condition generally covers the advanced reactor designs, such as Sodium-cooled Fast Reactor and High Temperature Reactor. Various optical fiber combinations were employed for temperature measurements, taking into consideration the operating temperature of the target equipment. Two types of OFSs, gold-coated and polyimide-coated, were utilized. Protective tubes made of stainless steel (STS) and carbon were introduced to ensure reliable temperature data collection in high-temperature settings. Results indicate that the STS tube with a gold-coated OFS exhibited the highest consistency and agreement with thermocouple measurements, making it suitable for extreme environments. The study emphasizes the applicability of this system in high-temperature environments, such as liquid metal reactors, high-temperature thermal energy storage system, and hydrogen production system, for environmental monitoring.

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高温系统光纤传感器（OFS）实际应用实验研究

本研究探讨了基于拉曼散射的光纤传感器（OFS）在极端环境中的应用，尤其侧重于温度范围为 200 °C 至 680 °C 的循环加热器容器。这种条件一般涵盖先进的反应堆设计，如钠冷快堆和高温反应堆。考虑到目标设备的工作温度，采用了各种光纤组合进行温度测量。使用了两种类型的 OFS：金涂层和聚酰亚胺涂层。为了确保在高温环境下可靠地收集温度数据，还采用了不锈钢（STS）和碳纤维制成的保护管。结果表明，带有金涂层 OFS 的 STS 管与热电偶测量结果的一致性和一致性最高，因此适用于极端环境。这项研究强调了该系统在高温环境中的适用性，如液态金属反应堆、高温热能存储系统和制氢系统的环境监测。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Nuclear Engineering and Technology 工程技术-核科学技术

CiteScore

4.80

自引率

7.40%

发文量

431

审稿时长

3.5 months

期刊介绍： Nuclear Engineering and Technology (NET), an international journal of the Korean Nuclear Society (KNS), publishes peer-reviewed papers on original research, ideas and developments in all areas of the field of nuclear science and technology. NET bimonthly publishes original articles, reviews, and technical notes. The journal is listed in the Science Citation Index Expanded (SCIE) of Thomson Reuters. NET covers all fields for peaceful utilization of nuclear energy and radiation as follows: 1) Reactor Physics 2) Thermal Hydraulics 3) Nuclear Safety 4) Nuclear I&C 5) Nuclear Physics, Fusion, and Laser Technology 6) Nuclear Fuel Cycle and Radioactive Waste Management 7) Nuclear Fuel and Reactor Materials 8) Radiation Application 9) Radiation Protection 10) Nuclear Structural Analysis and Plant Management & Maintenance 11) Nuclear Policy, Economics, and Human Resource Development