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Concorde: Can Gusts Blow The Wing Vortex Off?

Thu Dec 10, 2009 11:46 am

IIRC, part of the lift produced by the Concorde's wing at high angles of attack -like when landing for instance- is due to the vortex generated by the wing leading edge that then trails behind the upper wing surface and gives it extra lift.

If this is correct, how is this vortex affected by strong, lateral gusts? Could it possibly be blown or "pushed" off the wing resulting in loss of vortex lift on final approach?

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RE: Concorde: Can Gusts Blow The Wing Vortex Off?

Thu Dec 10, 2009 5:05 pm

I doubt it - the wing is still carving up the air at a prodigious rate ahead of the wing, so the vortex will still be being formed aft of it. It might be shifted very slightly spanwise by gusts, but I believe the originating centre of the vortex will remain as good as fixed.

I'm sure the effect is pretty much unnoticeable if the gust is less strong than about half the airspeed. This is probably reflected in the Concorde's maximum crosswind speeds at landing and take-off.


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