Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Wingtip_device> ?p ?o }
- Wingtip_device abstract "Wingtip devices are usually intended to improve the efficiency of fixed-wing aircraft. There are several types of wing tip devices, and although they function in different manners, the intended effect is always to reduce the aircraft's drag by partial recovery of the tip vortex energy. Wingtip devices can also improve aircraft handling characteristics and enhance safety for following aircraft. Such devices increase the effective aspect ratio of a wing without materially increasing the wingspan. An extension of span would lower lift-induced drag, but would increase parasitic drag and would require boosting the strength and weight of the wing. At some point, there is no net benefit from further increased span. There may also be operational considerations that limit the allowable wingspan (e.g., available width at airport gates).Wingtip devices increase the lift generated at the wingtip (by smoothing the airflow across the upper wing near the tip) and reduce the lift-induced drag caused by wingtip vortices, improving lift-to-drag ratio. This increases fuel efficiency in powered aircraft and increases cross-country speed in gliders, in both cases increasing range. U.S. Air Force studies indicate that a given improvement in fuel efficiency correlates directly with the causal increase in the aircraft's lift-to-drag ratio.".
- Wingtip_device thumbnail Winglets_B737_800_and_AB319.JPG?width=300.
- Wingtip_device wikiPageExternalLink openbook.php?record_id=11839&page=33.
- Wingtip_device wikiPageExternalLink q0148.shtml.
- Wingtip_device wikiPageExternalLink nr_031016g.html.
- Wingtip_device wikiPageExternalLink WL-Soaring.pdf.
- Wingtip_device wikiPageExternalLink winglets.htm.
- Wingtip_device wikiPageExternalLink Masak.htm.
- Wingtip_device wikiPageID "313398".
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- Wingtip_device wikiPageRevisionID "706249882".
- Wingtip_device wikiPageWikiLink 1973_oil_crisis.
- Wingtip_device wikiPageWikiLink AgustaWestland_AW101.
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- Wingtip_device wikiPageWikiLink Airfoil.
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- Wingtip_device wikiPageWikiLink Aspect_ratio_(aeronautics).
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- Wingtip_device wikiPageWikiLink Brownout_(aeronautics).
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- Wingtip_device wikiPageWikiLink Camber_(aerodynamics).
- Wingtip_device wikiPageWikiLink Canard_(aeronautics).
- Wingtip_device wikiPageWikiLink Category:Aerodynamics.
- Wingtip_device wikiPageWikiLink Category:Aircraft_configurations.
- Wingtip_device wikiPageWikiLink Category:Aircraft_wing_components.
- Wingtip_device wikiPageWikiLink Category:NASA_spin-off_technologies.
- Wingtip_device wikiPageWikiLink Cessna.
- Wingtip_device wikiPageWikiLink Chord_(aeronautics).
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- Wingtip_device wikiPageWikiLink Dihedral_(aeronautics).
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- Wingtip_device wikiPageWikiLink Fuel_efficiency.
- Wingtip_device wikiPageWikiLink Gate_(airport).
- Wingtip_device wikiPageWikiLink Glaser-Dirks_DG-300.
- Wingtip_device wikiPageWikiLink Glider_(sailplane).
- Wingtip_device wikiPageWikiLink Glider_competition_classes.
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- Wingtip_device wikiPageWikiLink Learjet_45.
- Wingtip_device wikiPageWikiLink Learjet_55.
- Wingtip_device wikiPageWikiLink Learjet_60.
- Wingtip_device wikiPageWikiLink Lift-induced_drag.
- Wingtip_device wikiPageWikiLink Lift-to-drag_ratio.
- Wingtip_device wikiPageWikiLink Lift_coefficient.