Table 9 The main operating conditions for the three piston design cases.
Parameters | Case 1 | Case 2 | Case 3 |
|---|---|---|---|
Compression ratio | 9 | 9 | 9 |
Relative air-fuel ratio (λ) | 3 | 3 | 3 |
Engine speed (rpm) | 2500 | 2500 | 2500 |
Intake pressure (MPa) | 0.15 | 0.15 | 0.15 |
SOI (°CA BTDC) | 90 | 90 | 35 |
Injection pressure (MPa) | 10 | 10 | 10 |
Spark timing (°CA BTDC) | 12 | 10 | 4 |
