Simplified fuel-NO sub(x) model based on regression analysis

The mechanism of detailed chemical reactions in combustion is very complicated, especially when the formation of a pollutant such as NO sub(x) is considered. Based on regression analysis, a simplified fuel-NO sub(x) model is developed for premixed flame. The new model is available for a wider range of temperature and fuel-air ratios compared with De Soete's (1975) fuel NO model. The reduction CHi species on NO is considered so that the model can be used in both fuel-lean and fuel-rich combustion systems. After a great simulation of a one-dimensional premixed flame system using Miller and Bowman's detailed elementary reaction model, the calculation of all the reaction rates is presented based on regression analysis.