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Proceedings Paper

Radiance Measurements Of Flames In High Windspeeds Using A Thermal Imaging Radiometer
Author(s): J. M. Garneau; J. L. Halpin
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Paper Abstract

Pyrophoric fuels are under investigation at Defence Research Establishment, Valcartier, Quebec, Canada as new infrared (IR) emission sources. A thermal imaging radiometer (TIR) is used to obtain radiance values in the 3- to 5-μm spectral region. Pyrophoric/air flames are generated under windspeeds varying from Mach 0.3 to Mach 0.9. The infrared images recorded on tape during trials are analysed in the laboratory with the use of an 8-bit image processing system. False color enhancement can be provided for high-radiant intensity regions of the flames. The raw images show flame edges that are not well defined. In order to improve accuracy on the determination of flame area, multi-frame images are used. Procedures for image acquisition, calibration and treatment will be discussed in this presentation.

Paper Details

Date Published: 11 May 1987
PDF: 7 pages
Proc. SPIE 0780, Thermosense IX: Thermal Infrared Sensing for Diagnostics and Control, (11 May 1987); doi: 10.1117/12.940519
Show Author Affiliations
J. M. Garneau, Defence Research Establishment (Canada)
J. L. Halpin, Defence Research Establishment (Canada)


Published in SPIE Proceedings Vol. 0780:
Thermosense IX: Thermal Infrared Sensing for Diagnostics and Control
Robert P. Madding, Editor(s)

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