Open Access
Table 2
Results of 
from various models for the upstream-chamfered (11–0.5–0.33–0) orifice compared to experimental value at (Reo = 3 × 104). The potential flow limit [31] is for a 2D planar flow and assumes flow separation only at the end of the chamfer.
| Model |
|
|---|---|
| Potential flow limit | 0.50 |
| k-ϵ realizable | 0.40 |
| Low-Re k-ϵ | 0.43 |
| LES fine-mesh | 0.42 |
| LES coarse-mesh | 0.42 |
| ILES coarse-mesh | 0.43 |
| Experiment | 0.55 |
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