Table 5 The optical absorption coefficient and AAE values measured under each set of engine operation conditions and at three sampling temperatures using two types of fuels.
Wavelength (nm) | T = 40 °C | T = 150 °C | T = 300 °C | |||
|---|---|---|---|---|---|---|
OAC Mm−1 | OAC Mm−1 | OAC Mm−1 | ||||
B0 | B7 | B0 | B7 | B0 | B7 | |
em#1 | ||||||
1064 | 160.6 | 94.9 | 135.9 | 84.9 | 143.7 | 104.8 |
532 | 591.6 | 461.8 | 448.4 | 353 | 398.5 | 309.5 |
355 | 1317.9 | 15,923 | 943.2 | 1008.3 | 695.6 | 754.1 |
266 | 4056.9 | 3085 | 2057.6 | 1102.5 | 1147.1 | 872.7 |
AAE@1064-355 nm | 1.92 | 2.57 | 1.76 | 2.25 | 1.43 | 1.8 |
em#2 | ||||||
1064 | 692.7 | 555.1 | 642.6 | 549.1 | 627.3 | 585.7 |
532 | 1715 | 1521.3 | 1542.4 | 1397.3 | 1615.4 | 1516.7 |
355 | 3018.1 | 3670.1 | 2746.1 | 3302.6 | 2562.5 | 2989.2 |
266 | 7903.6 | 7011.8 | 7031.3 | 5152.5 | 6106.8 | 4887.4 |
AAE@1064-355 nm | 1.34 | 1.72 | 1.32 | 1.63 | 1.28 | 1.48 |
em#3 | ||||||
1064 | 1728.3 | 1404.9 | 1652.8 | 1269.2 | 1429.9 | 1193.3 |
532 | 3815.3 | 3380.4 | 3520.5 | 2883.2 | 3316.6 | 2909.4 |
355 | 6266.3 | 7547.7 | 5794.3 | 6529.6 | 4786.4 | 4991.1 |
266 | 15,680.4 | 13,416.8 | 14,292.7 | 10,112.7 | 10,942.9 | 7900.9 |
AAE@1064-355 nm | 1.17 | 1.53 | 1.14 | 1.49 | 1.1 | 1.3 |
