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Analysis of combustion reaction based on infrared multispectral imaging

Huot A., Gagnon M. A., Lagueux P., Farley V., Chamberland M., Kastek M.

Measurement Automation Monitoring

2015

Vol. 61, No. 6

165--168

Combustion analysis was carried out using Telops MS-IR MW camera which allows multispectral imaging at a high frame rate. A motorized filter wheel allowing synchronized acquisitions on eight (8) different channels was used to provide time-resolved multispectral imaging of combustion products of a candle in which black powder has been burnt to create a burst (carbon dioxide and water). It was then possible to estimate the temperature of the candle’s plume by modeling spectral profile derived from information obtained with the different spectral filters. Comparison with temperatures obtained using conventional broadband imaging illustrates the benefits of time-resolved multispectral imaging for the characterization of combustion processes.