Volume 32 Issue 11
Nov.  2017
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Research on blowing wing based on lift and thrust mechanism of fanwing wing[J]. Journal of Aerospace Power, 2017, 32(11): 2743-2751. doi: 10.13224/j.cnki.jasp.2017.11.023
Citation: Research on blowing wing based on lift and thrust mechanism of fanwing wing[J]. Journal of Aerospace Power, 2017, 32(11): 2743-2751. doi: 10.13224/j.cnki.jasp.2017.11.023
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Research on blowing wing based on lift and thrust mechanism of fanwing wing

doi: 10.13224/j.cnki.jasp.2017.11.023
  • Received Date: 2016-04-26
  • Publish Date: 2017-11-28
    Abstract
  • Based on the numerical calculation and analysis of the mechanism of the lift and thrust force of the fan wing aircraft, a scheme for the wing of fanwing aircraft-blowing wing was presented. The mechanism of the lift force of the wing was analyzed and the blowing wing model was established. The numerical calculation method of the wing was established and a numerical example was verified. It was proved that the blowing wing had the same vortex induced lift and thrust mode as that of the fanwing by comparing the relative static pressure distribution curve, velocity nephogram and pressure nephogram. The blow up speed of a blowing wing was defined and the relationship between lift and thrust of two wings with flow speed and angle of attack was compared. The result indicated that when the angle of attack was greater than 20 degrees, the thrust of the blowing wing was nearly 5 times less than that of the fan wing. Under normal flight conditions, the lift and thrust force of the blowing wing is similar to the fan wing, which can be replaced. It provides an idea for the optimizing design and lift enhancement of aircraft.

     

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