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Aspect ratio (aeronautics)

Index Aspect ratio (aeronautics)

In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord. [1]

37 relations: Aeronautics, Aileron, Airbus A350 XWB, Airbus A380, Aircraft principal axes, Albatross, Aspect ratio (aeronautics), Avro Vulcan, Boeing 787 Dreamliner, Boeing B-47 Stratojet, Centreboard, Chord (aeronautics), Drag coefficient, Eagle, Eurasian sparrowhawk, Fighter aircraft, Fuel economy in aircraft, John D. Anderson, Landing gear, Laurence Joseph Clancy, Lift-induced drag, Lift-to-drag ratio, National Advisory Committee for Aeronautics, Oswald efficiency number, Parasitic drag, Pi, Reynolds number, Shock wave, Torque, Variable-sweep wing, Wave drag, Wetted area, Wing, Wing configuration, Wingspan, Wingtip vortices, Zero-lift drag coefficient.

Aeronautics

Aeronautics (from the ancient Greek words ὰήρ āēr, which means "air", and ναυτική nautikē which means "navigation", i.e. "navigation into the air") is the science or art involved with the study, design, and manufacturing of air flight capable machines, and the techniques of operating aircraft and rockets within the atmosphere.

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Aileron

An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft.

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Airbus A350 XWB

The Airbus A350 XWB is a family of long-range, twin-engine wide-body jet airliners developed by European aerospace manufacturer Airbus.

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Airbus A380

The Airbus A380 is a double-deck, wide-body, four-engine jet airliner manufactured by multi-national manufacturer Airbus.

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Aircraft principal axes

An aircraft in flight is free to rotate in three dimensions: yaw, nose left or right about an axis running up and down; pitch, nose up or down about an axis running from wing to wing; and roll, rotation about an axis running from nose to tail.

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Albatross

Albatrosses, of the biological family Diomedeidae, are large seabirds related to the procellariids, storm petrels and diving petrels in the order Procellariiformes (the tubenoses).

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Aspect ratio (aeronautics)

In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord.

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Avro Vulcan

The Avro Vulcan (later Hawker Siddeley Vulcan from July 1963) is a jet-powered tailless delta wing high-altitude strategic bomber, which was operated by the Royal Air Force (RAF) from 1956 until 1984.

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Boeing 787 Dreamliner

The Boeing 787 Dreamliner is an American long-haul, mid-size widebody, twin-engine jet airliner made by Boeing Commercial Airplanes.

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Boeing B-47 Stratojet

The Boeing B-47 Stratojet (company Model 450) is an American long range, six-engine, turbojet-powered strategic bomber designed to fly at high subsonic speed and at high altitude to avoid enemy interceptor aircraft.

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Centreboard

A centreboard or centerboard (US) is a retractable keel which pivots out of a slot in the hull of a sailboat, known as a centreboard trunk (UK) or centerboard case (US).

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Chord (aeronautics)

In aeronautics, chord refers to the imaginary straight line joining the leading and trailing edges of an aerofoil.

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Drag coefficient

In fluid dynamics, the drag coefficient (commonly denoted as: \scriptstyle C_\mathrm d\,, \scriptstyle C_\mathrm x\, or \scriptstyle C_\mathrm w\) is a dimensionless quantity that is used to quantify the drag or resistance of an object in a fluid environment, such as air or water.

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Eagle

Eagle is the common name for many large birds of prey of the family Accipitridae.

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Eurasian sparrowhawk

The Eurasian sparrowhawk (Accipiter nisus), also known as the northern sparrowhawk or simply the sparrowhawk, is a small bird of prey in the family Accipitridae.

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Fighter aircraft

A fighter aircraft is a military aircraft designed primarily for air-to-air combat against other aircraft, as opposed to bombers and attack aircraft, whose main mission is to attack ground targets.

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Fuel economy in aircraft

Fuel economy in aircraft is a measure of how much fuel an aircraft, or a fleet of aircraft of mixed types, needs to operate in relation to a service provided (i.e. number of passengers or ton of freight) and the distance between points of travel.

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John D. Anderson

John D. Anderson Jr. (born October 1, 1937) is the Curator of Aerodynamics at the National Air and Space Museum at the Smithsonian Institution in Washington, DC and Professor Emeritus in the Department of Aerospace Engineering at the University of Maryland, College Park.

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Landing gear

Landing gear is the undercarriage of an aircraft or spacecraft and may be used for either takeoff or landing.

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Laurence Joseph Clancy

Laurence Joseph Clancy (15 March 1929 to 16 October 2014) was an Education Officer in aerodynamics at Royal Air Force College Cranwell whose textbook became standard.

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Lift-induced drag

In aerodynamics, lift-induced drag, induced drag, vortex drag, or sometimes drag due to lift, is an aerodynamic drag force that occurs whenever a moving object redirects the airflow coming at it.

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Lift-to-drag ratio

In aerodynamics, the lift-to-drag ratio, or L/D ratio, is the amount of lift generated by a wing or vehicle, divided by the aerodynamic drag it creates by moving through the air.

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National Advisory Committee for Aeronautics

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915, to undertake, promote, and institutionalize aeronautical research.

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Oswald efficiency number

The Oswald efficiency, similar to the span efficiency, is a correction factor that represents the change in drag with lift of a three-dimensional wing or airplane, as compared with an ideal wing having the same aspect ratio and an elliptical lift distribution.

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Parasitic drag

Parasitic drag is drag that results when an object is moved through a fluid medium.

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Pi

The number is a mathematical constant.

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Reynolds number

The Reynolds number is an important dimensionless quantity in fluid mechanics used to help predict flow patterns in different fluid flow situations.

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Shock wave

In physics, a shock wave (also spelled shockwave), or shock, is a type of propagating disturbance.

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Torque

Torque, moment, or moment of force is rotational force.

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Variable-sweep wing

A variable-sweep wing, colloquially known as a "swing wing", is an airplane wing, or set of wings, that may be swept back and then returned to its original position during flight.

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Wave drag

In aeronautics, wave drag is a component of the aerodynamic drag on aircraft wings and fuselage, propeller blade tips and projectiles moving at transonic and supersonic speeds, due to the presence of shock waves.

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Wetted area

In maritime use, the wetted area is the area of the hull (watercraft) which is immersed in water.

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Wing

A wing is a type of fin that produces lift, while moving through air or some other fluid.

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Wing configuration

The wing configuration of a fixed-wing aircraft (including both gliders and powered aeroplanes or airplanes) is its arrangement of lifting and related surfaces.

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Wingspan

The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip.

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Wingtip vortices

Wingtip vortices are circular patterns of rotating air left behind a wing as it generates lift.

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Zero-lift drag coefficient

In aerodynamics, the zero-lift drag coefficient C_ is a dimensionless parameter which relates an aircraft's zero-lift drag force to its size, speed, and flying altitude.

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Redirects here:

Aspect ratio (aerodynamics), Aspect ratio (wing), Low aspect ratio, Wetted aspect ratio (aerodynamics), Wetted aspect ratio (wing), Wing aspect ratio.

References

[1] https://en.wikipedia.org/wiki/Aspect_ratio_(aeronautics)

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