A Study on Operation Fluid Consumption for Heavy Duty Diesel Engine Application using both, EGR and SCR

Paper #:
  • 2013-01-2474

Published:
  • 2013-09-24
DOI:
  • 10.4271/2013-01-2474
Citation:
Theissl, H., Danninger, A., Sacher, T., Ofner, H. et al., "A Study on Operation Fluid Consumption for Heavy Duty Diesel Engine Application using both, EGR and SCR," SAE Int. J. Engines 6(3):1500-1508, 2013, doi:10.4271/2013-01-2474.
Pages:
9
Abstract:
This paper describes a method for optimization of engine settings in view of best total cost of operation fluids. Under specific legal NOX tailpipe emissions requirements the engine out NOX can be matched to the current achievable SCR NOX conversion efficiency. In view of a heavy duty long haul truck application various specific engine operation modes are defined. A heavy duty diesel engine was calibrated for all operation modes in an engine test cell. The characteristics of engine operation are demonstrated in different transient test cycles. Optimum engine operation mode (EOM) selection strategies between individual engine operation modes are discussed in view of legal test cycles and real world driving cycles which have been derived from on-road tests.
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