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| Content Provider | Springer Nature Link |
|---|---|
| Author | Zhang, Q. Ligrani, P. M. Lee, S. W. |
| Copyright Year | 2003 |
| Abstract | A technique for determining the skin friction coefficients from wake profile measurements is described, and is applied to symmetric turbine airfoils with rough surfaces, which operate in a compressible, high-speed flow environment. The procedure involves the measurement of profiles of streamwise momentum in the wakes which form downstream of different airfoils with different levels of surface roughness. Different physical phenomena which affect such wake profiles are discussed and related to different effects, such as surface roughness, form drag, flow separation zones, and laminar-to-turbulent transition. With the same inlet experimental condition for each case, overall skin friction coefficients for the rough airfoils are determined. Resulting values increase considerably as the magnitude of equivalent sandgrain roughness size increases. |
| Starting Page | 627 |
| Ending Page | 635 |
| Page Count | 9 |
| File Format | |
| ISSN | 07234864 |
| Journal | Experiments in Fluids |
| Volume Number | 35 |
| Issue Number | 6 |
| e-ISSN | 14321114 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2003-10-21 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Content Type | Text |
| Resource Type | Article |
| Subject | Fluid Flow and Transfer Processes Physics and Astronomy Mechanics of Materials Computational Mechanics |
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