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Spatially Resolved Temperature Measurements Above a Burning Wood Pellet Using Diode Laser-Based Two-Line Atomic Fluorescence

Borggren, Jesper LU ; Weng, Wubin LU ; Aldén, Marcus LU and Li, Zongshan LU (2018) In Applied Spectroscopy 72(6). p.964-970
Abstract

Diode laser-based two-line atomic fluorescence (TLAF) thermometry applied to flames of combusting wood pellets is demonstrated. The temperature above burning wood pellets placed in the hot product gas of gallium seeded laminar flames is measured. The calibration-free technique provides spatially resolved temperatures in one dimension with sufficient temporal resolution to resolve all combustion stages of a pellet, even in highly sooting flames. The temperature above a burning pellet was found to decrease due to the release of volatile gases and the accuracy and precision of the technique is assessed at flame temperatures.

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author
; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
biomass combustion, diode lasers, thermometry, Two-line atomic fluorescence
in
Applied Spectroscopy
volume
72
issue
6
pages
964 - 970
publisher
Society for Applied Spectroscopy
external identifiers
  • pmid:29154673
  • scopus:85044076057
ISSN
0003-7028
DOI
10.1177/0003702817746996
language
English
LU publication?
yes
id
eb6959bb-7064-4815-89d0-93b13ac91532
date added to LUP
2018-04-10 14:38:32
date last changed
2024-04-01 03:59:42
@article{eb6959bb-7064-4815-89d0-93b13ac91532,
  abstract     = {{<p>Diode laser-based two-line atomic fluorescence (TLAF) thermometry applied to flames of combusting wood pellets is demonstrated. The temperature above burning wood pellets placed in the hot product gas of gallium seeded laminar flames is measured. The calibration-free technique provides spatially resolved temperatures in one dimension with sufficient temporal resolution to resolve all combustion stages of a pellet, even in highly sooting flames. The temperature above a burning pellet was found to decrease due to the release of volatile gases and the accuracy and precision of the technique is assessed at flame temperatures.</p>}},
  author       = {{Borggren, Jesper and Weng, Wubin and Aldén, Marcus and Li, Zongshan}},
  issn         = {{0003-7028}},
  keywords     = {{biomass combustion; diode lasers; thermometry; Two-line atomic fluorescence}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{964--970}},
  publisher    = {{Society for Applied Spectroscopy}},
  series       = {{Applied Spectroscopy}},
  title        = {{Spatially Resolved Temperature Measurements Above a Burning Wood Pellet Using Diode Laser-Based Two-Line Atomic Fluorescence}},
  url          = {{https://lup.lub.lu.se/search/files/51721149/paper6_Li.pdf}},
  doi          = {{10.1177/0003702817746996}},
  volume       = {{72}},
  year         = {{2018}},
}