Modelling of Transport Phenomena in Diesel Sprays at Late-Cycle Post-Injection Conditions

Paper #:
  • 2011-24-0010

Published:
  • 2011-09-11
Citation:
Tonini, S., Gavaises, M., and Cossali, G., "Modelling of Transport Phenomena in Diesel Sprays at Late-Cycle Post-Injection Conditions," SAE Technical Paper 2011-24-0010, 2011, https://doi.org/10.4271/2011-24-0010.
Pages:
14
Abstract:
The development of diesel sprays at late-cycle post-injection conditions is numerically investigated using a dense-particle Eulerian-Lagrangian stochastic methodology. Model validation takes place against experimental data available for injection into an optically accessible constant volume chamber using a single-hole injector nozzle. A parametric analysis on the effect of ambient temperature and density, injection duration and multiple injection strategy is performed to enlighten the development of the injected sprays for various post-injection strategies, with densities in the range of 1.2 - 3 kg/m₃ and temperature in the range of 800 - 1400 K.
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