A metal-ceramic coaxial cable with multipoint Fabry-Pérot interferometers for monitoring distributed high temperature
Journal Article
·
· Measurement
- Univ. of Cincinnati, OH (United States). Dept. of Chemical and Environmental Engineering; Univ. of Cincinnati, OH (United States)
- Univ. of Cincinnati, OH (United States). Dept. of Chemical and Environmental Engineering
- Clemson Univ., SC (United States). Electrical and Computer Engineering Dept.
A metal ceramic coaxial cable (MCCC) sensor containing multiple Fabry-Pérot interferometers (FPIs) has been designed, fabricated, and evaluated for measuring distributed high temperatures. The MCCC sensor demonstrated here consists of stainless steel tube and wire conductors, alumina tube insulator, and three pairs of air gap reflectors distributed along the cable. The multipoint sensor operation is realized by the joint time-frequency domain technique, which combines the functions of time-domain reflectometry and frequency division multiplexing to enable the measurement of spatially distributed temperature. The 3-point MCCC-FPI sensor has been demonstrated for distributed temperature measurements between 250 and 550 °C and operability up to 1000 °C. The sensor offers high sensitivity of >0.18 MHz/°C with a measurement resolution of 1 Hz and reasonably small high temperature measurement error range of ±3 °C.
- Research Organization:
- Clemson Univ., SC (United States); Univ. of Cincinnati, OH (United States)
- Sponsoring Organization:
- USDOE; USDOE Office of Fossil Energy (FE)
- Grant/Contract Number:
- FE0022993; FE0031765
- OSTI ID:
- 1849124
- Alternate ID(s):
- OSTI ID: 1702639
- Journal Information:
- Measurement, Journal Name: Measurement Journal Issue: C Vol. 162; ISSN 0263-2241
- Publisher:
- ElsevierCopyright Statement
- Country of Publication:
- United States
- Language:
- English
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