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23 September 2005 Combustion assessment of coal and biomass mixtures using image processing
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Abstract
Flame radiation intensity and its changes in time domain deliver the quickest and straight information of a combustion process. We have compared combustion of coal-biomass mixture and reference coal through flame image analysis. The aim of the research was finding flame's shape features, that could point to a state of unstable combustion, for the fuels being considered. Several combustion tests have been made in a laboratory stand for pulverized coal mixed with paper sludge (10%) with variable coal flow. The stand was equipped with scaled down (1:10) low-NOx burner. Flame images were recorded by a standard monochrome camera and captured by a frame grabber. After conversion to black-and-white images, changes of some shape parameters such as flame area, its horizontal and a vertical dimensions and shape coefficient have been investigated.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Waldemar Wójcik, Tomasz Golec, Andrzej Kotyra, and Mariusz Duk "Combustion assessment of coal and biomass mixtures using image processing", Proc. SPIE 5954, Optical Security Systems, 595408 (23 September 2005); https://doi.org/10.1117/12.622887
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