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Statements

Subject Item
dbr:Trapezoidal_wing
rdf:type
yago:Part105867413 yago:Design105728678 yago:PsychologicalFeature100023100 yago:Configuration105731779 yago:Arrangement105726596 yago:Component105868954 yago:Abstraction100002137 yago:Idea105833840 yago:WikicatAircraftConfigurations yago:WikicatAircraftComponents yago:Content105809192 yago:Cognition100023271 yago:Concept105835747 yago:Structure105726345
rdfs:label
Aile trapézoïdale Ala trapezoidale Trapezoidal wing
rdfs:comment
L'aile trapézoïdale ou aile en diamant est une configuration d'aile de haute performances. Cette aile est caractérisée par un faible allongement et un angle de flèche total faible. En effet, le bord d'attaque présente une flèche positive alors que le bord de fuite en présente une négative. Elle apporte : * une finesse accrue de l'aile en augmentant son allongement ; * une réduction de la traînée produite par l'écoulement de l'air autour de l'aile. Elle est l'héritière de l'aile elliptique qui a été notamment mise en œuvre sur le Supermarine Spitfire pendant la Seconde Guerre Mondiale. Un'ala trapezoidale (o ala a diamante) è una configurazione alare ad alte prestazioni. Si tratta di una breve ala rastremata (allungamento alare aspect ratio basso) che ha un piccolo o nessun angolo di freccia, tale che il bordo d'attacco si estende all'indietro e il bordo di uscita si estende in avanti. Il disegno trapezoidale permette un'ala sottile con bassa resistenza alle alte velocità, pur mantenendo alta resistenza e rigidità. In aeronautics, a trapezoidal wing is a straight-edged and tapered wing planform. It may have any aspect ratio and may or may not be swept. The thin, unswept, short-span, low-aspect-ratio trapezoidal configuration offers some advantages for high-speed flight and has been used on a small number of aircraft types. In this wing configuration, the leading edge sweeps back and the trailing edge sweeps forward. It can provide low aerodynamic drag at high speeds, while maintaining high strength and stiffness, and was used successfully during the early days of supersonic aircraft.
foaf:depiction
n10:Lockheed_F-104_Starfighter_3-view.jpg n10:Wing_tapered.svg n10:Douglas_X-3_line_drawing.png
dcterms:subject
dbc:Wing_configurations dbc:Aircraft_wing_design
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owl:sameAs
dbpedia-it:Ala_trapezoidale yago-res:Trapezoidal_wing n17:2dTRv wikidata:Q2827945 freebase:m.04ydg5x dbpedia-tr:Trapez_kanat dbpedia-fi:Trapetsisiipi dbpedia-fr:Aile_trapézoïdale dbpedia-sl:Trapezno_krilo
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dbo:thumbnail
n10:Wing_tapered.svg?width=300
dbo:abstract
In aeronautics, a trapezoidal wing is a straight-edged and tapered wing planform. It may have any aspect ratio and may or may not be swept. The thin, unswept, short-span, low-aspect-ratio trapezoidal configuration offers some advantages for high-speed flight and has been used on a small number of aircraft types. In this wing configuration, the leading edge sweeps back and the trailing edge sweeps forward. It can provide low aerodynamic drag at high speeds, while maintaining high strength and stiffness, and was used successfully during the early days of supersonic aircraft. Un'ala trapezoidale (o ala a diamante) è una configurazione alare ad alte prestazioni. Si tratta di una breve ala rastremata (allungamento alare aspect ratio basso) che ha un piccolo o nessun angolo di freccia, tale che il bordo d'attacco si estende all'indietro e il bordo di uscita si estende in avanti. Il disegno trapezoidale permette un'ala sottile con bassa resistenza alle alte velocità, pur mantenendo alta resistenza e rigidità. L'aile trapézoïdale ou aile en diamant est une configuration d'aile de haute performances. Cette aile est caractérisée par un faible allongement et un angle de flèche total faible. En effet, le bord d'attaque présente une flèche positive alors que le bord de fuite en présente une négative. Elle apporte : * une finesse accrue de l'aile en augmentant son allongement ; * une réduction de la traînée produite par l'écoulement de l'air autour de l'aile. Elle est l'héritière de l'aile elliptique qui a été notamment mise en œuvre sur le Supermarine Spitfire pendant la Seconde Guerre Mondiale.
gold:hypernym
dbr:Planform
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