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Aftertreatment System Integration on a Tier 2 Evolution Locomotive: Analysis and Field Test Results

[+] Author Affiliations
Giri Balu, Shashi Kiran

GE Transportation, Erie, PA

Sharan Sethuraman

FEV Inc., Auburn Mills, MI

Thomas M. Lavertu, Wole Akinyemi, Roy J. Primus

GE Global Research Center, Niskayuna, NY

Paper No. ICEF2014-5586, pp. V001T01A009; 7 pages
  • ASME 2014 Internal Combustion Engine Division Fall Technical Conference
  • Volume 1: Large Bore Engines; Fuels; Advanced Combustion; Emissions Control Systems
  • Columbus, Indiana, USA, October 19–22, 2014
  • Conference Sponsors: Internal Combustion Engine Division
  • ISBN: 978-0-7918-4616-2
  • Copyright © 2014 by ASME


Results of an effort to integrate an aftertreatment system for the simultaneous reduction of NOx and PM emissions on a Tier 2 Evolution Locomotive are presented. The paper provides detail on the solution that was realized to meet packaging constraints and also highlights aftertreatment performance limitations that resulted from these design decisions. Analysis results showing the predicted impact on engine performance are presented and compared to results obtained from field testing of the integrated system.

Copyright © 2014 by ASME
Topics: Locomotives



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