Particulate Trap Selection for Retrofitting Vehicle Fleets Based on Representative Exhaust Temperature Profiles

Paper #:
  • 2001-01-0187

Published:
  • 2001-03-05
DOI:
  • 10.4271/2001-01-0187
Citation:
Mayer, A., Nöthiger, P., Zbinden, R., and Evéquoz, R., "Particulate Trap Selection for Retrofitting Vehicle Fleets Based on Representative Exhaust Temperature Profiles," SAE Technical Paper 2001-01-0187, 2001, https://doi.org/10.4271/2001-01-0187.
Pages:
15
Abstract:
1AbstractA methodology for correctly matching trap systems to the vehicle types was developed within the scope of a feasibility study to retrofit the entire Swiss fleet of on-road HDV. Representative test vehicles from 11 vehicle categories were equipped with high capacity data loggers during a period of 4-6 weeks. Statistical evaluation of exhaust temperatures indicate that data on averages, peaks and frequency distributions alone can be misleading, because these tend to over-estimate the available exhaust enthalpy. Analysis of dwell time intervals, at certain temperature levels, is a better method to assess the energy available for the regeneration. Such verification of duty cycles is indispensable before retrofitting traps and choosing either active or passive regeneration systems.
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