Browse Publications Technical Papers 2003-01-1184
2003-03-03

Diesel Exhaust Simulator: Design and Application to Plasma Discharge Testing 2003-01-1184

A diesel fuel and air diffusion flame burner system has been designed for laboratory simulation of diesel exhaust gas. The system consists of mass flow controllers and a fuel pump, and employs several unique design and construction features. It produces particulate emissions with size, number distribution, and morphology similar to diesel exhaust. At the same time, it generates NOx emissions and HC similar to diesel.
The system has been applied to test plasma discharges. Different design discharge devices have been tested, with results indicating the importance of testing devices with soot and moisture. Both packed bed reactor and flat plate dielectric barrier discharge systems remove some soot from the gas, but the designs tested are susceptible to soot fouling and related electrical failures.
The burner is simple and stable, and is suitable for development and aging of plasma and catalysts systems in the laboratory environment.

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