Browse Publications Technical Papers 2014-01-1307
2014-04-01

An Experimental Study of EGR-Controlled Stoichiometric Dual-fuel Compression Ignition (SDCI) Combustion 2014-01-1307

Using EGR instead of throttle to control the load of a stoichiometric dual-fuel dieseline (diesel and gasoline) compression ignition (SDCI) engine with three-way catalyst (TWC) aftertreatment is considered a promising technology to address the challenges of fuel consumption and emissions in future internal combustion engines. High-speed imaging is used to record the flame signal in a single-cylinder optical engine with a PFI+DI dual injection system. The premixed blue flame is identified and separated using green and blue channels in RGB images. The effects of injection timing on SDCI combustion are studied. An earlier injection strategy is found to be ideal for soot reduction; however, the ignition-injection decoupling problem results in difficulties in combustion control. It is also found that a split injection strategy has advantages in soot reduction and thermal efficiency. Only 10% of the total diesel fuel for the main injection can advance the combustion phase significantly and the combustion duration can be reduced by approximate 50%. It is observed that the soot formation tendency deduced from the image results shows the potential of further soot reduction compared with the optimized single injection case.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Members save up to 18% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
TECHNICAL PAPER

An Optical Investigation on the Combustion Characteristics of Gasoline-Diesel Dual-Fuel Applications

2014-01-1310

View Details

TECHNICAL PAPER

Evaluation of HCCI Engine Potentials in Comparison to Advanced Gasoline and Diesel Engines

2006-01-3249

View Details

TECHNICAL PAPER

Performance and Analysis of a 4-Stroke Multi-Cylinder Gasoline Engine with CAI Combustion

2002-01-0420

View Details

X