Assessment of the Predictive Capabilities of a Combustion Model for a Modern Common Rail Automotive Diesel Engine

Paper #:
  • 2016-01-0547

Published:
  • 2016-04-05
DOI:
  • 10.4271/2016-01-0547
Citation:
Piano, A., Millo, F., Boccardo, G., Rafigh, M. et al., "Assessment of the Predictive Capabilities of a Combustion Model for a Modern Common Rail Automotive Diesel Engine," SAE Technical Paper 2016-01-0547, 2016, doi:10.4271/2016-01-0547.
Pages:
10
Abstract:
The predictive capabilities of an innovative multizone combustion model DIPulse, developed by Gamma Technologies, were assessed in this work for a last generation common rail automotive diesel engine.A detailed validation process, based on an extensive experimental data set, was carried out concerning the predicted heat release rate, the in-cylinder pressure trace, as well as NOx and soot emissions for several operating points including both part load and full load points.After a preliminary calibration of the model, the combustion model parameters were then optimized through a Latin Hypercube Design of Experiment (DoE), with the aim of minimizing the RMS error between the predicted and experimental burn rate of several engine operating points, thus achieving a satisfactory agreement between simulation and experimental engine combustion and emissions parameters.
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