Development of a fiber-optic remote temperature sensor to monitor water temperature in a spent nuclear fuel pool
- Authors
- Shin, S.H.; Byun, H.; Kim, J.H.; Shin, H.Y.; Song, S.W.; Cho, S.; Lee, B.
- Issue Date
- Oct-2019
- Publisher
- SpringerOpen
- Keywords
- Fiber-optic temperature sensor; Optical time domain reflectometer; Remote sensor; Spent nuclear fuel pool; Water temperature
- Citation
- Optical Review, v.26, no.5, pp.472 - 477
- Journal Title
- Optical Review
- Volume
- 26
- Number
- 5
- Start Page
- 472
- End Page
- 477
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/35159
- DOI
- 10.1007/s10043-019-00538-y
- ISSN
- 1340-6000
- Abstract
- In this study, a fiber-optic remote temperature sensor (FRTS) for real-time temperature measurements in a spent nuclear fuel pool is developed. The proposed FRTS consists of a fiber-optic temperature-sensing probe and an optical time-domain reflectometer (OTDR). The probe of an FRTS consists of silicone oil, a fiber channel (FC) terminator, a single-mode optical fiber, and a copper metal cap. Silicone oil is employed as a temperature-sensing material owing to its temperature-dependent refractive index. The optical powers of the reflected light signals (Fresnel reflection), which are generated at the interface between the silicone oil and the core of a single-mode optical fiber in the distal end of the sensing probe, are measured. The temperature of the water was measured in 5 ℃ increments ranging from 10 to 70 ℃, using a fabricated FRTS and an OTDR. The proposed FRTS could be used to effectively monitor the water temperature of a spent nuclear fuel pool (SNFP) at a nuclear power plant (NPP). © 2019, The Optical Society of Japan.
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Collections - College of Engineering > Department of Organic Materials and Fiber Engineering > 1. Journal Articles
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