Characterisation of DISI Emissions and Fuel Economy in Homogeneous and Stratified Charge Modes of Operation

P. J. Shayler; S. T. Jones; G. Horn; D. Eade

doi:10.4271/2001-01-3671

2001-09-24

Characterisation of DISI Emissions and Fuel Economy in Homogeneous and Stratified Charge Modes of Operation 2001-01-3671

An experimental study of the performance of a reverse tumble, DISI engine is reported. Specific fuel consumption and engine-out emissions have been investigated for both homogeneous and stratified modes of fuel injection. Trends in performance with varying AFR, EGR, spark and injection timings have been explored. It is shown that neural networks can be trained to describe these trends accurately for even the most complex case of stratified charge operation with exhaust gas recirculation.

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