Application of CFD, Taguchi Method, and ANOVA Technique to Optimize Combustion and Emissions in a Light Duty Diesel Engine

Table 5

Factors with chosen levels.

Factors	Levels of factors
	1	2	3
EGR rate	7%	17%	27%
Pilot fuel quantity	7.2%	17.2%	27.2%
Main injection timing	4°CA BTDC	1°CA ATDC	6°CA ATDC