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A National IV standard SCR control system is installed on a National III standard diesel engine. After doing ESC test cycles for emission evaluation, we know the approximate transformative capacity and rule of NOx when exhausts pass the catalyst. A MATLAB/Simulink simulation model of SCR system is established. The conversion ratio in simulation and that in experiment are compared, and results show that the simulation module is reasonable.
Date of Conference: 15-17 April 2011