A Fiber-Optic Sensor Using an Aqueous Solution of Sodium Chloride to Measure Temperature and Water Level Simultaneously
| العنوان: | A Fiber-Optic Sensor Using an Aqueous Solution of Sodium Chloride to Measure Temperature and Water Level Simultaneously |
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| المؤلفون: | Sang Hun Shin, Seunghyun Cho, Hyeok In Sim, Kyoung Won Jang, Bongsoo Lee, Joo Hyun Moon, Wook Jae Yoo |
| المصدر: | Sensors, Vol 14, Iss 10, Pp 18823-18836 (2014) SENSORS(14): 10 Sensors Volume 14 Issue 10 Pages 18823-18836 Sensors (Basel, Switzerland) |
| بيانات النشر: | MDPI AG, 2014. |
| سنة النشر: | 2014 |
| مصطلحات موضوعية: | Optical fiber, Optical power, Optical time-domain reflectometer, OTDR, lcsh:Chemical technology, Biochemistry, Signal, Article, Analytical Chemistry, law.invention, Optics, law, lcsh:TP1-1185, Electrical and Electronic Engineering, Instrumentation, fiber-optic sensor, NaCl solution, temperature, water level, Aqueous solution, business.industry, Chemistry, Fresnel equations, Atomic and Molecular Physics, and Optics, Fiber optic sensor, business, Refractive index |
| الوصف: | A fiber-optic sensor system using a multiplexed array of sensing probes based on an aqueous solution of sodium chloride (NaCl solution) and an optical time-domain reflectometer (OTDR) for simultaneous measurement of temperature and water level is proposed. By changing the temperature, the refractive index of the NaCl solution is varied and Fresnel reflection arising at the interface between the distal end of optical fiber and the NaCl solution is then also changed. We measured the modified optical power of the light reflected from the sensing probe using a portable OTDR device and also obtained the relationship between the temperature of water and the optical power. In this study, the water level was simply determined by measuring the signal difference of the optical power due to the temperature difference of individual sensing probes placed inside and outside of the water. In conclusion, we demonstrate that the temperature and water level can be obtained simultaneously by measuring optical powers of light reflected from sensing probes based on the NaCl solution. It is anticipated that the proposed fiber-optic sensor system makes it possible to remotely monitor the real-time change of temperature and water level of the spent fuel pool during a loss of power accident. |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 1424-8220 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5e9532148a0d1c1856d077cc6d54acfd http://www.mdpi.com/1424-8220/14/10/18823 |
| حقوق: | OPEN |
| رقم الأكسشن: | edsair.doi.dedup.....5e9532148a0d1c1856d077cc6d54acfd |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 14248220 |
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