Low Emissions Combustion Mode

The SRM Engine Suite software contains advanced combustion models specifically for application to
innovative engine technologies such as Homogenous Charge Compression Ignition (HCCI), Controlled Auto-Ignition (CAI), Premixed Charge Compression Ignition (PCCI) and Low Temperature Combustion (LTC). These models can be used to study combustion characteristics and in-cylinder emissions, including soot formation, for any combination of direction injection, the ignition process/autoignition and non-premixed turbulent combustion.

“By solving fundamental flame dynamics and chemical kinetics, the SRM Engine Suite can be employed to simulate advanced and combinations of conventional combustion modes in the same cycle.”

Major benefits

  • Multiple injection profiles, including pilot injection
  • Predictive simulations of combinations of auto-ignition and non-premixed turbulent combustion
  • Crank angle resolved combustion characteristics (heat release rate, combustion phasing and duration, and in-cylinder pressure)
  • Crank angle resolved evolution of chemical species including intermediates (OH, formaldehyde) and all emissions (CO, HC, NOx and soot)
  • Capable of simulating user-provided fuel model. e.g. conventional (diesel and gasoline) as well as alternative (natural gas, ethanol, biodiesel) fuels
  • Integrated detailed soot model: Detailed population balance soot model enables calculation of soot morphology, composition and detailed particle size distribution
  • Transient simulations of SI-HCCI or CIDI-HCCI combustion


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