Abstract
A wind tunnel experiment was conducted to investigate the inner-vortex-flap and outer-vortex-flap of double-delta wing. Various factors affecting the efficiency of vortex-flap, including the state of leading-edge wing, the shape of vortex-flap, the skew of vortex-flap, the combination of inner-vortex-flap and outer-vortex-flap, and the efficiency of trailing edge flap were discussed. Especially, in the light of the difference between the vortex field of inner-vortex-flap and outer-vortex-flap, the design features of inner-vortex-flap and outer-vortex-flap of multiple planform shape wing have been analyzed, which provide a reference for the design of vortex-flap of double-delta wing. The results show that proper design of the leading edge vortex-flaps and trailing edge flaps can optimize the low-speed performance of large sweep double-delta wing.
| Original language | English |
|---|---|
| Pages (from-to) | 6-9 |
| Number of pages | 4 |
| Journal | Shiyan Liuti Lixue/Journal of Experiments in Fluid Mechanics |
| Volume | 25 |
| Issue number | 3 |
| State | Published - Jun 2011 |
Keywords
- Leading edge thrust recovery
- Lift-to-drag ratio
- Multiple planform shape wing
- Vortex-flap
- Wind tunnel test
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