Conventional Combustion: Spark Ignition (SI – gasoline)
•High engine-out HC, CO, and NOx emissions, but low tailpipe emissions (catalyst)
•Peak thermal efficiency typically 30%, full load range possible
•The spark was created by a focused 532-nm beam from a pulsed Nd:YAG laser (100 mJ)
| Parameter | Value |
|---|---|
| Fuel | iso-octane (Φ=1) |
| Intake | 21% O2 |
| Load | 4 bar IMEP |
| Intake T | 30°C |
| Intake P | 0.62 bar |
| Spark | -10° ATDC |
| Speed | 1200 rpm |
| Engine rc | 10.75 |
| Window | 100 mm diam |
| Framing | 7200 fps |
| Effective Camera Gain | 300 |
| Filter | 500 nm SWP |