Research Article
Skin Friction Reduction Characteristics of Nonsmooth Surfaces Inspired by the Shapes of Barchan Dunes
Table 1
Turbulent boundary layer thickness of nonsmooth surfaces.
| L (mm) | Minimum boundary layer thickness (mm) | Maximum boundary layer thickness (mm) | Minimum wall region thickness (mm) | Maximum wall region thickness (mm) |
| 300 | 7.74 | 9.64 | 1.55 | 1.92 | 1000 | 20.27 | 25.25 | 4.05 | 5.05 |
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