Validation and Application of a New 0D Flame/Wall Interaction Sub Model for SI Engines

Paper #:
  • 2011-01-1893

Published:
  • 2011-08-30
Citation:
Rivas, M., Higelin, P., Caillol, C., Sename, O. et al., "Validation and Application of a New 0D Flame/Wall Interaction Sub Model for SI Engines," SAE Int. J. Engines 5(3):718-733, 2012, https://doi.org/10.4271/2011-01-1893.
Pages:
16
Abstract:
To improve the prediction of the combustion processes in spark ignition engines, a 0D flame/wall interaction submodel has been developed. A two-zones combustion model is implemented and the designed submodel for the flame/wall interaction is included. The flame/wall interaction phenomenon is conceived as a dimensionless function multiplying the burning rate equation. The submodel considers the cylinder shape and the flame surface that spreads inside the combustion chamber. The designed function represents the influence of the cylinder walls while the flame surface propagates across the cylinder. To determine the validity of the combustion model and the flame/wall interaction submodel, the system was tested using the available measurements on a 2 liter SI engine. The model was validated by comparing simulated cylinder pressure and energy release rate with measurements. A good agreement between the implemented model and the measurements was obtained.
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