| Issue |
MATEC Web Conf.
Volume 77, 2016
2016 3rd International Conference on Mechanics and Mechatronics Research (ICMMR 2016)
|
|
|---|---|---|
| Article Number | 14002 | |
| Number of page(s) | 4 | |
| Section | Analysis of Chemical | |
| DOI | https://doi.org/10.1051/matecconf/20167714002 | |
| Published online | 03 October 2016 | |
Study on Absorption Signal Interference of Gas Concentration Measurement Using Laser Absorption Spectroscopy
1 Korea Institute of Industrial Technology, Thermochemical Energy System R&D Group, 31056, Seobuk-gu Cheonan-si Chungcheongnam-do, Republic of Korea
2 Yeonsei University, Mechanical Engineering, 03722, Seodaemun-gu Seoul, Republic of Korea
In order to optimize the combustion condition of the combustion system, it is important to know the information of the physical properties which vary during combustion. Gas concentration and temperature are the major target properties but it is difficult to measure exactly at combustion system. In this paper, a distributed feedback diode laser which wavelength is tunable in accordance with a function generator’s output wave is applied to realize the laser absorption spectroscopy measurement. A concentration measuring test for 99% CO2 gas was performed as basic experiment and major experiments were conducted on separation of interfered absorption signals at CO2 and CO mixed condition.
© The Authors, published by EDP Sciences, 2016
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