Abstract
Wall pressure distribution induced by the saw-tooth flap has been investigated with electronic pressure scanner in wind tunnel. The results show that the shear layer of the saw-tooth flap separates at x/h=-6 up-stream and reattached at x/h=20 downstream, which is the same with the plate flap; the transverse location of the flap has little influence on the mean pressure distribution, and the distribution of pressure fluctuation along the saw-tooth groove is greater than that along the saw-tooth tip; the saw-tooth can block the flow and much more effectively reduce the pressure fluctuation downstream.
| Original language | English |
|---|---|
| Pages (from-to) | 424-427 |
| Number of pages | 4 |
| Journal | Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics |
| Volume | 28 |
| Issue number | 4 |
| State | Published - Aug 2002 |
Keywords
- Flap
- Flow reattachment
- Flow separation
- Pressure distribution
- Saw-teeth
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