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Proceedings Paper

Infrared monitoring of combustion
Author(s): Stephen C. Bates; Philip W. Morrison Jr.; Peter R. Solomon
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Paper Abstract

The use of FTIR spectroscopy for combustion monitoring is described. A combination of emission, transmission, and reflection FTIR spectroscopy yields data on the temperature and composition of the gases, surfaces and suspended particles in the combustion environment. Detection sensitivity of such trace exhaust gases as CO, CO2, SO2, NO(x), and unburned hydrocarbons is at the ppm level. Tomographic reconstruction converts line-of-sight measurements into spatially resolved temperature and concentration data. Examples from various combustion processes are used to demonstrate the capabilities of the technique. Industrial measurements are described that have been performed directly in the combustion zone and in the exhaust duct of a large chemical recovery boiler. Other measurements of hot slag show how FTIR spectroscopy can determine the temperature and optical properties of surfaces.

Paper Details

Date Published: 1 April 1991
PDF: 11 pages
Proc. SPIE 1434, Environmental Sensing and Combustion Diagnostics, (1 April 1991); doi: 10.1117/12.48458
Show Author Affiliations
Stephen C. Bates, Advanced Fuel Research, Inc. (United States)
Philip W. Morrison Jr., Advanced Fuel Research, Inc. (United States)
Peter R. Solomon, Advanced Fuel Research, Inc. (United States)

Published in SPIE Proceedings Vol. 1434:
Environmental Sensing and Combustion Diagnostics
Joseph J. Santoleri, Editor(s)

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