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Development of a picosecond lidar system for large-scale combustion diagnostics.

Kaldvee, Billy LU ; Ehn, Andreas LU ; Bood, Joakim LU and Aldén, Marcus LU (2009) In Applied Optics 48(4). p.65-72
Abstract
In the present work, a picosecond lidar system aiming at single-ended combustion diagnostics in full-scale combustion devices with limited optical access, such as power plants, is described. The highest overall range resolution of the system was found to be <0.5 cm. A demonstration has been made in a nonsooty and sooty Bunsen burner flame. A well-characterized ethylene flame on a McKenna burner was evaluated for different equivalence ratios using Rayleigh thermometry. The results indicate both that picosecond lidar might be applicable for single-shot Rayleigh thermometry, even two-dimensional, and that there is a possibility to qualitatively map soot occurrence. Furthermore, differential absorption lidar has been investigated in acetone... (More)
In the present work, a picosecond lidar system aiming at single-ended combustion diagnostics in full-scale combustion devices with limited optical access, such as power plants, is described. The highest overall range resolution of the system was found to be <0.5 cm. A demonstration has been made in a nonsooty and sooty Bunsen burner flame. A well-characterized ethylene flame on a McKenna burner was evaluated for different equivalence ratios using Rayleigh thermometry. The results indicate both that picosecond lidar might be applicable for single-shot Rayleigh thermometry, even two-dimensional, and that there is a possibility to qualitatively map soot occurrence. Furthermore, differential absorption lidar has been investigated in acetone vapor jets for fuel visualization purposes. (Less)
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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Applied Optics
volume
48
issue
4
pages
65 - 72
publisher
Optical Society of America
external identifiers
  • wos:000264413400010
  • pmid:19183583
  • scopus:61449129631
ISSN
2155-3165
DOI
10.1364/AO.48.000B65
language
English
LU publication?
yes
id
a71bdc04-f23a-481a-86c0-a36d110e32e9 (old id 1303005)
date added to LUP
2016-04-01 12:35:00
date last changed
2021-03-24 03:16:50
@article{a71bdc04-f23a-481a-86c0-a36d110e32e9,
  abstract     = {In the present work, a picosecond lidar system aiming at single-ended combustion diagnostics in full-scale combustion devices with limited optical access, such as power plants, is described. The highest overall range resolution of the system was found to be &lt;0.5 cm. A demonstration has been made in a nonsooty and sooty Bunsen burner flame. A well-characterized ethylene flame on a McKenna burner was evaluated for different equivalence ratios using Rayleigh thermometry. The results indicate both that picosecond lidar might be applicable for single-shot Rayleigh thermometry, even two-dimensional, and that there is a possibility to qualitatively map soot occurrence. Furthermore, differential absorption lidar has been investigated in acetone vapor jets for fuel visualization purposes.},
  author       = {Kaldvee, Billy and Ehn, Andreas and Bood, Joakim and Aldén, Marcus},
  issn         = {2155-3165},
  language     = {eng},
  number       = {4},
  pages        = {65--72},
  publisher    = {Optical Society of America},
  series       = {Applied Optics},
  title        = {Development of a picosecond lidar system for large-scale combustion diagnostics.},
  url          = {http://dx.doi.org/10.1364/AO.48.000B65},
  doi          = {10.1364/AO.48.000B65},
  volume       = {48},
  year         = {2009},
}