Volume 28 Issue 4
Apr.  2002
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ZHANG Pan-feng, WANG Jin-jun, LI Ya-chenet al. Wall Pressure Distribution Induced by Saw-Tooth Flap[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(4): 424-427. (in Chinese)
Citation: ZHANG Pan-feng, WANG Jin-jun, LI Ya-chenet al. Wall Pressure Distribution Induced by Saw-Tooth Flap[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(4): 424-427. (in Chinese)

Wall Pressure Distribution Induced by Saw-Tooth Flap

  • Received Date: 13 Nov 2000
  • Publish Date: 30 Apr 2002
  • Wall pressure distribution induced by the saw-tooth flap has been investigated with electronic pressure scanner in wind tunnel. The results showed that the shear layer of the saw-tooth flap separated at x/h=(6 upstream 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.

     

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