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Flame temperature diagnostics with water lines usingmid-infrared degenerate four-wave mixing

Sun, Zhiwei LU ; Li, Zhongshan LU ; Li, Bo LU and Aldén, Marcus LU (2011) In Journal of Raman Spectroscopy 42(10). p.1828-1835
Abstract
The feasibility of using degenerate four-wave mixing (DFWM) for hot gas thermometry in the mid-infrared spectral region is, for the first time, demonstrated by probing molecular ro-vibrational transitions of water. DFWM spectra of hot water were recorded in specially designed flames, providing a series of temperatures varying from 1000 to 1900 K and, the dramatic spectral structure variations were used as temperature indicator. The intensity ratios between two hot water line groups at around 3231 cm(-1) were especially studied and composed into a calibration table for flame temperature measurement using DFWM spectra. The saturation properties of different lines were also studied by recording the line intensity ratios as a function of laser... (More)
The feasibility of using degenerate four-wave mixing (DFWM) for hot gas thermometry in the mid-infrared spectral region is, for the first time, demonstrated by probing molecular ro-vibrational transitions of water. DFWM spectra of hot water were recorded in specially designed flames, providing a series of temperatures varying from 1000 to 1900 K and, the dramatic spectral structure variations were used as temperature indicator. The intensity ratios between two hot water line groups at around 3231 cm(-1) were especially studied and composed into a calibration table for flame temperature measurement using DFWM spectra. The saturation properties of different lines were also studied by recording the line intensity ratios as a function of laser power, and the results indicated that saturated excitation was in favor of reliable temperature measurements. As validation, infrared DFWM spectra in phi = 1.52 flat premixed methane/air flame were recorded, and a good temperature value was obtained. Moreover, the recently released HITEMP2010 database as well as its previous version HITEMP2000 were adopted to simulate the hot water spectra and to analyze the line intensity ratios. Copyright (C) 2011 John Wiley & Sons, Ltd. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
degenerate four-wave mixing, mid-infrared spectroscopy, temperature, diagnostics, water IR spectroscopy
in
Journal of Raman Spectroscopy
volume
42
issue
10
pages
1828 - 1835
publisher
John Wiley & Sons
external identifiers
  • wos:000297028600002
  • scopus:80055041447
ISSN
1097-4555
DOI
10.1002/jrs.2894
language
English
LU publication?
yes
id
9c4e51ba-ad2d-4925-a7ab-cd0f651eeda3 (old id 2252704)
date added to LUP
2011-12-22 10:09:34
date last changed
2017-01-01 06:12:25
@article{9c4e51ba-ad2d-4925-a7ab-cd0f651eeda3,
  abstract     = {The feasibility of using degenerate four-wave mixing (DFWM) for hot gas thermometry in the mid-infrared spectral region is, for the first time, demonstrated by probing molecular ro-vibrational transitions of water. DFWM spectra of hot water were recorded in specially designed flames, providing a series of temperatures varying from 1000 to 1900 K and, the dramatic spectral structure variations were used as temperature indicator. The intensity ratios between two hot water line groups at around 3231 cm(-1) were especially studied and composed into a calibration table for flame temperature measurement using DFWM spectra. The saturation properties of different lines were also studied by recording the line intensity ratios as a function of laser power, and the results indicated that saturated excitation was in favor of reliable temperature measurements. As validation, infrared DFWM spectra in phi = 1.52 flat premixed methane/air flame were recorded, and a good temperature value was obtained. Moreover, the recently released HITEMP2010 database as well as its previous version HITEMP2000 were adopted to simulate the hot water spectra and to analyze the line intensity ratios. Copyright (C) 2011 John Wiley & Sons, Ltd.},
  author       = {Sun, Zhiwei and Li, Zhongshan and Li, Bo and Aldén, Marcus},
  issn         = {1097-4555},
  keyword      = {degenerate four-wave mixing,mid-infrared spectroscopy,temperature,diagnostics,water IR spectroscopy},
  language     = {eng},
  number       = {10},
  pages        = {1828--1835},
  publisher    = {John Wiley & Sons},
  series       = {Journal of Raman Spectroscopy},
  title        = {Flame temperature diagnostics with water lines usingmid-infrared degenerate four-wave mixing},
  url          = {http://dx.doi.org/10.1002/jrs.2894},
  volume       = {42},
  year         = {2011},
}