Development of DPF/SCR System for Heavy Duty Diesel Engine

Paper #:
  • 2012-01-0369

Published:
  • 2012-04-16
DOI:
  • 10.4271/2012-01-0369
Citation:
Moon, S., Choi, B., Lee, H., Hyun, G. et al., "Development of DPF/SCR System for Heavy Duty Diesel Engine," SAE Technical Paper 2012-01-0369, 2012, doi:10.4271/2012-01-0369.
Pages:
8
Abstract:
The development of PM and NOx reduction system with the combination of DOC included DPF and SCR catalyst in addition to the AOC sub-assembly for NH3 slip protection is described. DPF regeneration strategy and manual regeneration functionality are introduced with using ITH, HCI device on the EUI based EGR, VGT 12.3L diesel engine at the CVS full dilution tunnel test bench. With this system, PM and NOx emission regulation for JPNL was satisfied and DPF regeneration process under steady state condition and transient condition (JE05 mode) were successfully fulfilled. Manual regeneration process was also confirmed and HCI control strategy was validated against the heat loss during transient regeneration mode.
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