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Model-based comparison of DeNOx systems

 

Reduction of NOx emissions is a major challenge, and the available aftertreatment solutions present a great variety. Exhaust aftertreatment simulation with axisuite, allows the engineer to investigate the combined performance of complete exhaust systems for the expected range of operating conditions, and thus to optimize the exhaust system layout.


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Model-based comparison of DeNOx performance of different exhaust system layouts, combining Lean-NOx-Trap (LNT) and Selective Catalytic Reduction (SCR) functionality, in wall-flow and flow-through (single-layer or dual-layer) devices. The SCR uses the NH3 produced during the regeneration phase of the LNT. Definitions: LNTF: DPF with LNT coating, SCRF: DPF with SCR coating

 

 
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