Predicting pollutant emissions from combustion systems using a novel integrated methodology Online publication date: Thu, 03-Jul-2003
by Davide Benedetto, Sauro Pasini, Mariano Falcitelli, Cristiana La Marca, Leonardo Tognotti
Progress in Computational Fluid Dynamics, An International Journal (PCFD), Vol. 1, No. 1/2/3, 2001
Abstract: The present contribution describes some of the activities carried out in the domain of combustion modelling at ENEL Research Generation Department. They concern the development and use of CRFD codes applied to the design of industrial furnaces. The objective is to predict the emission of pollutants, such as nitrogen oxides, in real combustion systems. A new approach has been developed, as a reasonable trade-off between engineering needs and computational resources limits analysing the 3D CRFD flow fields, an ''equivalent'' chemical reactors network model is extracted with corresponding residence times distributions and average local properties. Then a detailed kinetic calculation is performed on this simpler scheme. In this paper, a description of the CRFD codes is given, and the methodology to extract a chemical ideal reactors model from CRFD fields is presented. Finally, some relevant applications to industrial furnaces are discussed.
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