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A ONE-DIMENSIONAL COMBUSTION MODEL FOR A DUAL CHAMBER STRATIFIED CHARGE SPARK IGNITION ENGINE
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Abstract
A model has been developed for simulating the combustion in a three-valve stratified charge spark ignition engine. The conservation equations for mass, momentum, chemical species, and energy are numerically integrated for a one-dimensional flame using an empirical model for turbulent diffusivity. The chemical reaction of the fuel and air is modeled using simple kinetics in a one-step reaction and experimentally determined ignition delays are used. Nitric oxide emissions are calculated using a simple Zeldovich model with steady state atomic nitrogen and equilibrium atomic oxygen. Effects of various assumptions and parameters in the model are discussed and comparisons with experimental data from a single-cylinder engine are presented.
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Citation
Sorenson, S. and Pan, S., "A ONE-DIMENSIONAL COMBUSTION MODEL FOR A DUAL CHAMBER STRATIFIED CHARGE SPARK IGNITION ENGINE," SAE Technical Paper 790355, 1979, https://doi.org/10.4271/790355.Also In
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