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Investigation of H2 Addition Effects on CO/CO2/H2-Air Flames by a Combustion Diagnostic System Based on TDLAS

  • Yu Liu
  • Jingsong WangEmail author
  • Qingguo Xue
  • Haibin Zuo
  • Xuefeng She
Conference paper
Part of the The Minerals, Metals & Materials Series book series (MMMS)

Abstract

In this study, a novel combustion diagnostic system based on tunable diode laser absorption spectroscopy (TDLAS) is developed to measure the temperature in flames on a turbulent partly premixed burner. This system simulates harsh industrial combustion environment and enables in situ measurements of non-uniform temperature in CO/CO2/H2-air flames. The effects of H2 addition (0, 4, and 8%, v/v) in CO/CO2 gas flow on multigas flames are investigated by this system. Two tunable continuous-waves near 1996 and 2004 nm are employed as the light sources of laser. The flame temperature distributions at several different locations along the axial direction at the burner centerline are reported. The results showed that the thickness of the flame decreases and the flame zone becomes a deeper blue color with the increasing addition of H2 in multigas flow. The length of the visible flame increases with the increasing addition of H2. An increase in the addition of H2 in CO/CO2/H2 gas leads to an increase of flame temperature.

Keywords

Combustion diagnostic system TDLAS H2 addition CO/CO2/H2-air flames Temperature 

Notes

Acknowledgements

This work was supported by the State Key Laboratory of Advanced Metallurgy, University of Science and Technology Beijing.

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Copyright information

© The Minerals, Metals & Materials Society 2020

Authors and Affiliations

  • Yu Liu
    • 1
  • Jingsong Wang
    • 1
    Email author
  • Qingguo Xue
    • 1
  • Haibin Zuo
    • 1
  • Xuefeng She
    • 1
  1. 1.State Key Laboratory of Advanced MetallurgyUniversity of Science and Technology BeijingHaidian District, BeijingPeople’s Republic of China

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