cores of the vortices are slightly inboard of the wing tips.: 369 Wingtip vortices are sometimes named trailing or lift-induced vortices because they...
21 KB (2,648 words) - 02:31, 29 September 2024
away from the surface of the wing. Wingtip vortices create turbulence, originating at the leading edge of the wingtip and propagating backwards and inboard...
45 KB (4,771 words) - 20:34, 6 November 2024
Wake turbulence (redirect from Wake vortices)
It includes several components, the most significant of which are wingtip vortices and jet-wash, the rapidly moving gases expelled from a jet engine....
26 KB (2,836 words) - 04:36, 10 November 2024
Their formation can also be triggered by changes in air pressure in wingtip vortices, or in the air over the entire wing surface. Contrails, and other clouds...
32 KB (3,201 words) - 23:04, 18 November 2024
Crow instability (section Aviation vortices)
can often be observed in the skies behind large aircraft, when the wingtip vortices interact with contrails from the engines, producing visible distortions...
3 KB (332 words) - 13:21, 19 May 2024
reduced by the proximity of the ground preventing the formation of wingtip vortices, thus increasing the efficiency of the wing. This effect does not occur...
19 KB (1,523 words) - 07:44, 19 November 2024
Lift-induced drag (section Vortices)
17 The vortices created are unstable,[clarification needed] and they quickly combine to produce wingtip vortices which trail behind the wingtip.: Section...
22 KB (2,421 words) - 04:35, 23 October 2024
tip devices. Like many wingtip devices, the closed wing aims to reduce the wasteful effects associated with wingtip vortices which occur at the tips...
22 KB (2,333 words) - 01:27, 19 October 2024
Helmholtz's theorems (category Vortices)
theorems apply to inviscid flows. In observations of vortices in real fluids the strength of the vortices always decays gradually due to the dissipative effect...
4 KB (549 words) - 11:19, 27 January 2024
performance of aspect ratio AR related to the lift-to-drag-ratio and wingtip vortices is illustrated in the formula used to calculate the drag coefficient...
12 KB (1,629 words) - 11:51, 9 November 2024
configuration: Winglet: a small fin at the wingtip, usually turned upwards. Reduces the size of vortices shed by the wingtip, and hence also tip drag. Strake:...
50 KB (5,548 words) - 07:58, 17 August 2024
or flaperons (combination of flaps and ailerons) Winglets to keep wingtip vortices from increasing drag and decreasing lift Dihedral, or a positive wing...
14 KB (1,653 words) - 23:19, 21 November 2024
the smaller wing will reduce cruise drag, while wingtip propellers will counter the wingtip vortices. The Mod IV with 12 propellers to take off and land...
24 KB (2,542 words) - 19:26, 24 September 2024
Velocity potential Vortex Vortex tube Vortex stretching Horseshoe vortex Wingtip vortices Biot–Savart law Circulation Vorticity equations Kutta–Joukowski theorem...
22 KB (2,584 words) - 15:05, 16 November 2024
counteract the wing's lift-induced drag and wingtip vortices more effectively than the previous wingtip fence. The first design type to be tested was...
127 KB (10,747 words) - 03:06, 21 November 2024
the flock members. The wingtips of the leading bird in an echelon create a pair of opposite rotating line vortices. The vortices trailing a bird have an...
47 KB (5,627 words) - 12:15, 29 June 2024
is the reduction of flow moving over the wingtip and resulting in less parasitic drag due to wingtip vortices. Using computational modeling, it was determined...
13 KB (1,577 words) - 14:34, 26 February 2024
caused primarily by the ground or water obstructing the creation of wingtip vortices and interrupting downwash behind the wing. A wing generates lift by...
17 KB (2,099 words) - 22:17, 17 August 2024
type of electrical discharge Wingtip streamer, tubes of circulating air left behind a wing, also called wingtip vortices Helmet streamers and pseudostreamers...
2 KB (259 words) - 23:04, 14 October 2024
– Wide-body aircraft – Wind shear – Wind tunnel – Wing – Wingman – Wingtip vortices – Wingbox – Wingless Electromagnetic Air Vehicle – Winglet – World...
15 KB (1,283 words) - 03:14, 17 November 2024
This allows the birds after to take the upwash lift force due to the wingtip vortices at the tip of the wings of the lead bird. The upwash assists each bird...
12 KB (1,383 words) - 14:18, 20 November 2024
aircraft, wake turbulence minima are applied due to the effect of the wingtip vortices of the preceding aircraft on the following aircraft. These minima vary...
13 KB (1,890 words) - 11:09, 25 October 2024
surrounding air increases condensation, in the same manner as an aircraft's wingtip vortices. The most famous such cloud forms routinely in the lee of the Matterhorn...
13 KB (1,563 words) - 15:15, 8 September 2024
747-8 instead of winglets used on the 747-400. These wingtip structures help reduce the wingtip vortices at the lateral edges of the wings, decreasing wake...
118 KB (10,020 words) - 06:18, 22 October 2024
Downwash (category Vortices)
wing. Brownout (aeronautics) Jet blast Slipstream Wake turbulence Wingtip vortices Wikimedia Commons has media related to Downwash (fluid dynamics). Crane...
3 KB (246 words) - 11:09, 9 February 2023
Flocks of geese and some other birds fly in a V formation because the wingtip vortices generated by the front bird will create up-wash circulations. The birds...
22 KB (2,661 words) - 23:23, 1 November 2024
Fuel economy in aircraft (section Wingtip devices)
before falling again. Wingtip devices increase the effective wing aspect ratio, lowering lift-induced drag caused by wingtip vortices and improving the lift-to-drag...
121 KB (7,376 words) - 22:10, 18 August 2024
helping ensure effective aileron control. With the air flowing inwards, wingtip vortices and the accompanying drag are reduced. Instead, the fuselage acts as...
13 KB (1,773 words) - 08:44, 13 December 2023