Research Article
Feature-Parameter-Criterion for Predicting Lean Blowout Limit of Gas Turbine Combustor and Bluff Body Burner
Table 1
Grid size independence validation of annular combustor.
| Grid size/mm | /K | Rate of change/% | | Rate of change/% | Grid amount |
| 4 | 1373.23 | ā | 0.97 | ā | 2100314 | 3.7 | 1486.62 | 8.26% | 0.985 | 1.55% | 2447927 | 3.5 | 1374.54 | 7.54% | 0.97 | 1.52% | 2890137 | 3.3 | 1457.32 | 6.02% | 0.982 | 1.24% | 3143522 | 3.1 | 1399.51 | 3.97% | 0.993 | 1.12% | 3325334 | 2.9 | 1372.03 | 1.96% | 0.985 | 0.81% | 3605722 | 2.6 | 1360.02 | 0.88% | 0.978 | 0.71% | 3891140 | 2.3 | 1371.92 | 0.87% | 0.984 | 0.61% | 4020562 | 2.1 | 1380.54 | 0.63% | 0.987 | 0.30% | 4415871 |
|
|