Research Article
Numerical Studies on Heat Release Rate in Room Fire on Liquid Fuel under Different Ventilation Factors
Table 2
Grid conditions and functional analysis results on grid sensitivity.
| Mesh type | Simulation number | Grid size in the fire room (mm) | Grid size in the extended domain (mm) |
*/δ | Total number of grid cells | Norm | Cosine |
| Stretched mesh | T1 | 5 | 10 | 11 | 165,888 | 0.31 | 0.74 | T2 | 3.75 | 7.5 | 15 | 393,216 | 0.03 | 0.96 | T3 | 2.5 | 5 | 23 | 1,327,104 | 0.01 | 0.99 |
| Multiple meshes | M1 | 5 | 10 | 11 | 262,656 | 0.27 | 0.95 | M2 | 3.75 | 7.5 | 15 | 466,944 | 0.02 | 0.97 | M3 | 2.5 | 5 | 23 | 746,496 | 0.01 | 0.99 |
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