Open Access
Table 6
ANOVA results for engine performance and emission responses.
| Source | BTE |
BSFC |
CO |
HC |
NOx |
Smoke |
||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| F-value | p-value | F-value | p-value | F-value | p-value | F-value | p-value | F-value | p-value | F-value | p-value | |
| Model | 4448.01 | 0.000 | 57.44 | 0.000 | 83.43 | 0.000 | 538.58 | 0.000 | 638.81 | 0.000 | 30.97 | 0.000 |
| Linear | 8167.42 | 0.000 | 76.23 | 0.000 | 143.56 | 0.000 | 655.50 | 0.000 | 1453.82 | 0.000 | 58.36 | 0.000 |
| A-WPO ratio | 116.02 | 0.000 | 6.13 | 0.042 | 8.72 | 0.021 | 1285.67 | 0.000 | 7.23 | 0.031 | 11.36 | 0.012 |
| B-Load | 9116.06 | 0.000 | 67.20 | 0.000 | 228.78 | 0.000 | 305.04 | 0.000 | 1721.77 | 0.000 | 38.38 | 0.000 |
| Square | 1297.44 | 0.000 | 32.37 | 0.000 | 27.19 | 0.001 | 39.15 | 0.000 | 9.18 | 0.011 | 14.58 | 0.003 |
| A2 | 1.96 | 0.204 | 3.86 | 0.090 | 0.77 | 0.409 | 12.35 | 0.010 | 7.99 | 0.026 | 4.28 | 0.077 |
| B2 | 1997.80 | 0.000 | 61.49 | 0.000 | 37.44 | 0.000 | 31.70 | 0.001 | 17.26 | 0.004 | 12.24 | 0.010 |
| Interaction | 14.13 | 0.007 | 4.05 | 0.084 | 2.05 | 0.195 | 122.59 | 0.000 | 17.70 | 0.004 | 0.64 | 0.449 |
| A × B | 14.13 | 0.007 | 4.05 | 0.084 | 2.05 | 0.195 | 122.59 | 0.000 | 17.70 | 0.004 | 0.64 | 0.449 |
| Error Cont. | 0.03 | 2.38 | 1.65 | 0.26 | 0.22 | 4.33 | ||||||
| R2 | 99.95% | 97.76% | 98.10% | 99.74% | 99.79% | 95.67% | ||||||
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