The #x201C;well-stirred furnace#x201D; model has been modified to include soot radiation. A generalized chart is presented that allows a rapid estimation of the overall heat transfer rate and exit gas temperature for a given firing rate in a fuel-oil fired boiler. Comparison of the experimentally measured values in two fuel-oil fired industrial boilers with those predicted by using the present method indicates that the present method can be used to predict the overall performance of fuel-oil fired boilers as a first approximation.
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