Table 3 Different engine parameters and their levels.

From: Optimization of SiO2 based water–diesel emulsified fuel for engine performance and emission characteristics using soft computing approaches

Parameters

Unit

Different Levels

-1

0

+ 1

Load (L)

%

25

50

75

Injection Pressure (IP)

bar

180

190

200

Injection Timing (IT)

bTDC

19

21

23