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Proceedings Paper

Simultaneous detection of oxygen and soot particles by visible diode laser absorption spectroscopy
Author(s): Kenji Muta; Manazumi Tanoura; Kohtaro Fujimura; Kimishiro Tokuda
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Paper Abstract

A technique for simultaneous detection of oxygen molecules and soot particles by means of visible tunable diode laser absorption spectroscopy was investigated. The effects of solid particles on the measurement of oxygen molecules were evaluated using a 760 nm visible diode laser. The maximum solid particle density was 5.6g/m3m, allowing measurement of the concentration of oxygen with sufficient precision. We applied this technique to analysis of real exhaust gas from a large-scale test furnace, and verified that oxygen molecules and soot particles in such gas can be directly measured from a large-scale test plant without pretreatement, such as removal of water vapor and soot.

Paper Details

Date Published: 23 May 1997
PDF: 8 pages
Proc. SPIE 3108, Combustion Diagnostics, (23 May 1997); doi: 10.1117/12.274760
Show Author Affiliations
Kenji Muta, Mitsubishi Heavy Industries, Ltd. (Japan)
Manazumi Tanoura, Mitsubishi Heavy Industries, Ltd. (Japan)
Kohtaro Fujimura, Mitsubishi Heavy Industries, Ltd. (Japan)
Kimishiro Tokuda, Mitsubishi Heavy Industries, Ltd. (Japan)


Published in SPIE Proceedings Vol. 3108:
Combustion Diagnostics
Maurus Tacke; Winfried Stricker, Editor(s)

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