Frontiers in Energy >

2014 , Vol. 8 >Issue 1: 138 - 143

DOI: https://doi.org/10.1007/s11708-013-0283-5

RESEARCH ARTICLE

Application of spectral technology in flame measurement

  • Jiaxun LIU ,
  • Xiaoshu CAI ,
  • Zenghao ZHU ,
  • Huinan YANG
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  • School of Energy and Power Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China

Received date: 30 Apr 2013

Accepted date: 12 Jul 2013

Published date: 05 Mar 2014

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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Abstract

Spectral technology has become an important detection method due to its advantages such as non-intrusive measurement and on-line analysis. In this paper, two applications of spectral technology in thermal detection were proposed. First, a novel spectroscopic method based on Planck’s law for measurement of emissivity was introduced. The emissivity, obtained by comparing the radiation intensity of the blackbody which had the same temperature as the flame with the detected intensity of the flames, could be used for on-line measurements and had a relatively higher upper temperature limit. Then, a spectroscopic method for composition detection of blended fuels was proposed based on the emissivity measured. By comparing the spectra of blended fuels and single fuels, the ratio of single fuels of the blended fuel could be calculated. The measurement system proposed in this paper, which consists of a spectrometer and a computer, is very compact.

Key words： spectrum; emissivity measurement; component of fuel; near-infrared spectrometer

Cite this article

Jiaxun LIU , Xiaoshu CAI , Zenghao ZHU , Huinan YANG . Application of spectral technology in flame measurement[J]. Frontiers in Energy, 2014 , 8(1) : 138 -143 . DOI: 10.1007/s11708-013-0283-5

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