Research Article
Effects of Diffusion Film Hole Exit Area on the Film Cooling Effectiveness
Table 1
Area-averaged effectiveness.
| Effectiveness | Geometry | Geometry | Geometry | | | | | | | | |
| Experimental | 0.5 | 0.1528 | | 0.146 | | 0.1614 | | 1 | 0.2412 | | 0.2155 | | 0.2391 | | 2 | 0.2517 | %Diff. | 0.2501 | %Diff. | 0.2615 | %Diff. |
| CFD | 0.5 | 0.1412 | -8.22% | 0.1497 | 2.47% | 0.1447 | -11.54% | 1 | 0.2152 | -12.08% | 0.2288 | 5.81% | 0.2212 | -8.09% | 2 | 0.261 | 3.56% | 0.2972 | 15.85% | 0.2783 | 6.04% |
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