Infrared monitoring of combustion

Stephen C. Bates; Philip W. Morrison Jr.; Peter R. Solomon

doi:10.1117/12.48458

1 April 1991 Infrared monitoring of combustion

Stephen C. Bates, Philip W. Morrison Jr., Peter R. Solomon

Proceedings Volume 1434, Environmental Sensing and Combustion Diagnostics; (1991) https://doi.org/10.1117/12.48458
Event: Optics, Electro-Optics, and Laser Applications in Science and Engineering, 1991, Los Angeles, CA, United States

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.

Citation Download Citation

Stephen C. Bates, Philip W. Morrison Jr., and Peter R. Solomon "Infrared monitoring of combustion", Proc. SPIE 1434, Environmental Sensing and Combustion Diagnostics, (1 April 1991); https://doi.org/10.1117/12.48458

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