Research Article
Feature-Parameter-Criterion for Predicting Lean Blowout Limit of Gas Turbine Combustor and Bluff Body Burner
Table 2
Grid size independence validation of bluff body burner.
| Grid size/mm | /K | Rate of change/% | | Rate of change/% | Grid amount |
| 3.0 | 851.07 | ā | 23.28 | ā | 782198 | 2.5 | 865.31 | 1.67% | 24.97 | 7.26% | 1365165 | 2.2 | 842.63 | 2.62% | 25.49 | 2.08% | 1965144 | 2.0 | 835.51 | 0.84% | 25.23 | 1.02% | 2496055 | 1.7 | 830.24 | 0.63% | 25.46 | 0.91% | 3325334 | 1.4 | 834.97 | 0.57% | 25.31 | 0.59% | 4047064 | 1.1 | 831.26 | 0.44% | 25.17 | 0.55% | 5693193 |
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