Optimization of Performance and Emission Characteristics of Diesel Engine with Biodiesel Using Grey-Taguchi Method

Table 6

Response for the signal-to-noise ratio.

Level	Load (𝐴)	Blend of fuel (𝐵)	Compression ratio (𝐶)
1	−8.011	−4.144	−4.595
2	−5.448	−4.280	−4.407
3	−3.425	−4.038	−4.141
4	−2.071	−4.217	−3.757
5	−1.795	−4.072	−3.849
Delta	6.216	0.242	0.838
Rank	1	3	2

The total mean S/N ratio (𝛾_𝑖) = −4.15.