Reconstruction of temperature distribution for swirling flames using one-dimensional TDLAS tomography

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Abstract

In this paper, one-dimensional tunable diode laser absorption spectroscopy tomography (1D-TDLAST) is employed to reconstruct the rotationally symmetric temperature distribution for the swirling flame generated by a swirl-stabilized gas turbine model combustor. The H2O transitions at 7185.597 cm-1 and 7444.36 cm-1 are used because of their moderate line strengths and good temperature sensitivities. The fan-beam illumination penetrates the target swirling flame and is detected by a detector array with 12 equally-spaced photodetectors. Once the transmitted laser intensities are detected, the projections are extracted and utilized by a one-dimensional tomographic algorithm to reconstruct the temperature distribution.

Original languageEnglish
Title of host publicationIST 2016 - 2016 IEEE International Conference on Imaging Systems and Techniques, Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages346-349
Number of pages4
ISBN (Electronic)9781509018178
DOIs
StatePublished - 7 Nov 2016
Event2016 IEEE International Conference on Imaging Systems and Techniques, IST 2016 - Chania, Crete Island, Greece
Duration: 4 Oct 20166 Oct 2016

Publication series

NameIST 2016 - 2016 IEEE International Conference on Imaging Systems and Techniques, Proceedings

Conference

Conference2016 IEEE International Conference on Imaging Systems and Techniques, IST 2016
Country/TerritoryGreece
CityChania, Crete Island
Period4/10/166/10/16

Keywords

  • flame
  • one-dimensional tomography
  • temperature distribution
  • tunable diode laser absorption spectroscopy (TDLAS)

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