Wing knife and its intensified auxiliary tool wingtip air jetting wing

Wing knife and its intensified auxiliary tool wingtip air jetting wing

  • CN 101,148,195 A
  • Filed: 09/18/2006
  • Published: 03/26/2008
  • Est. Priority Date: 09/18/2006
  • Status: Active Application
First Claim
Patent Images

1. with present Asia, " dull and stereotyped wing fence " that the transonic swept-back wing aircraft is generally used proposes its improved type as carrier, i.e. " novel wing fence and strengthen accessory---the jet wing of wingtip ". replace the former and enlarge its effect of in-depth with the latter. the latter is except that in order to control " wingtip effect ", also to control " wing root effect ", " wingtip is crossed " and elimination cause because of there is error in " Kutta'"'"'s condition ", on a left side, on the starboard wing, the exhibition that forms between the lower aerofoil is to the on-cycle air current flow, thereby the wing upper part that makes wing all go out stream all improves " straightness accuracy " and " accurate two-dimensions " of its flow trace greatly by the combing of numerous wing fences, keeps ruly straight uniform flow not leave wing and do not have wingtip " free vortex " generating.Even have remaining wingtip " free vortex ",, thereby, actual lifting force of wings lost down the effect of washing away from actual wingtip then by " the jet wing of wingtip " institute'"'"'s injection.So, the exhibition on the actual wing both eliminated makes the aircraft induced drag be tending towards 0 to flowing, be that total drag reduces 30%, and " 1ift-drag ratio " improve more than 40%, guaranteed that again this machine flies over, do not stay the trailing vortex cyclone along flight path, cause the threat of suffering a crushing defeat for follow-up aerocraft.

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