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International Journal of Rotating Machinery
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International Journal of Rotating Machinery
/
2012
/
Article
/
Tab 3
/
Review Article
Aerodynamic Losses in Turbines with and without Film Cooling, as Influenced by Mainstream Turbulence, Surface Roughness, Airfoil Shape, and Mach Number
Table 3
values for (
17
) [
55
].
Hole configuration
First row
Both rows
Round axial
0.29
0.70
Round compound
4.78
2.71
Round radial
3.93
2.70
Shaped axial
2.10
2.40