Tuesday, March 03, 2009
Photo of the Day
Today I was flying to Lyon on a Lufthansa 737. During landing in a very moist air I quickly captured the following photos.
It shows wake vortices of the airplane. Normally, you see them at the actual wingtip. Here they come from the extended Fowler flap. They are a consequence of the overpressure below the wing and the low pressure above the wing balancing out around the tip. Because the airplane moves forward, the vortices look like a corkscrew .Imagine how powerful this work is his are at the actual wingtip! You don't want to accidentally fly into these with a small plane. permalink
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these are on the flaps, you can't install winglets there. But similar vortexes happen on the wingtip, and yes, there winglets can be used to reduce/avoid these.
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