Control of gas pipeline leakage detection based on hybrid inline fiber interferometer
نویسندگان
چکیده
Hybrid inline fiber interferometers gained attention recently especially in the building control and detection fields due to their hybrid multi-path interferences, multi-parameter measurements, high sensitivity, precision. This work used etched multimode (MMF) introduce a novel medical gas pipeline leakage detector based on Fabry-Perot/Mach-Zehnder interferometer (FP-MZI). The FP-MZI of this consisted two cascaded identical Bragg gratings (FBGs) spliced coreless sandwiching MMF. Four samples different MMF lengths sizes were as sensing heads measurements. Self-imaging phase-equations proposed solved analytically select required length; then COMSOL software was ensure occurrence interference along at designed wavelength. Two sources; air compressor high-pressure cylinder, attached pipelines size 15×0.7, 12×0.6 mm provide pressure. Gas leak introduced pipes manually through controlled valves measured using FP-MZI. Both constant variable flowrates investigated with pressures. obtained sensitivity ranged from 0.17-20.9 pm/bar for all cases.
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ژورنال
عنوان ژورنال: Indonesian Journal of Electrical Engineering and Computer Science
سال: 2023
ISSN: ['2502-4752', '2502-4760']
DOI: https://doi.org/10.11591/ijeecs.v30.i2.pp748-759