Correcting the light extinction effect of fly ash particles on the measurement of NO by TDLAS

Correcting the light extinction effect of fly ash particles on the measurement of NO by TDLAS

The measurement of nitric oxide (NO) concentration in power plant flue gas by tunable diode laser absorption spectroscopy (TDLAS) is susceptible to fly ash particles. The presence of fly ash particles causes laser intensity fluctuations and leads to the second harmonic (2f) signal amplitude changes....

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Bibliographic Details
Main Authors: Songjie Guo, Yan Yang, Guodong Shao, Zhenghui Li, Wei Ren, Juehui Mo, Zhimin Lu, Shunchun Yao
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-10-01
Series:Frontiers in Physics
Subjects:
TDLAS
wavelength modulation
particles
extinction effect
NO concentration
error correction
Online Access:https://www.frontiersin.org/articles/10.3389/fphy.2022.1020376/full

Internet

https://www.frontiersin.org/articles/10.3389/fphy.2022.1020376/full

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