T.A. Fuller, T.J. Flynn
Babcock & Wilcox, R&D Division
Alliance OH 44601
Oak Ridge National Laboratory
Knoxville TN 37932-6472
Driven by economic pressures and government emissions regulations, the electric power industry is moving toward tighter control of boilers to improve plant efficiency and reduce emissions. Tighter control depends on better diagnostic tools that discriminate short-time-scale flame patterns and correlations between those flame patterns and overall performance. Our research indicates that improved discrimination of short-time-scale patterns in boilers can be achieved by combining traditional data analysis techniques and chaotic time series analysis. Suggested analysis tools and data acquisition procedures are described, along with example results for measurements from a low-NOx pulverized coal combustor.
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