Browse Publications Technical Papers 2006-01-0263
2006-04-03

Investigation of the Effect of DPF Loading and Passive Regeneration on Engine Performance and Emissions Using an Integrated System Simulation 2006-01-0263

An integrated system model containing sub-models for a diesel engine, NOx and soot emissions, and a diesel particulate filter (DPF) has been used to simulate stead-state engine operating conditions. The simulation results have been used to investigate the effect of DPF loading and passive regeneration on engine performance and emissions.
This work is the continuation of previous work done to create an overall diesel engine/exhaust system integrated model. As in the previous work, a diesel engine, exhaust system, engine soot emissions, and diesel particulate filter (DPF) sub-models have been integrated into an overall model using Matlab Simulink. For the current work new sub-models have been added for engine-out NOx emissions and an engine feedback controller.
The integrated model is intended for use in simulating the interaction of the engine and exhaust aftertreatment components. Specifically, the effect of exhaust backpressure-caused by soot loading in the DPF-on engine fuel consumption and engine out emissions can be modeled. The integrated model can be used to assist in the design and optimization of diesel emissions systems.

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