Presentation On

W I N G

By

Tanvir-al-mamun

Md.

A340 wing

What’s WinG?

• The word "wing" from the Old Norse vængr [1] for many centuries referred mainly to the foremost limbs of birds (in addition to the architectural aisle.) But in recent centuries the word's meaning has extended to include lift producing appendages of insects, bats, pterosaurs, boomerangs, some sail boats and aircraft, or the inverted airfoil on a race car that generates a downward force to increase traction.

• A wing is a type of fin with a surface that produces lift for flight or propulsion through the atmosphere, or through another gaseous or liquid fluid. As such, wings have an airfoil shape, a streamlinedcross-sectional shape producing a useful lift to drag ratio

• A wing's aerodynamic quality is expressed as its lift-to-drag ratio. The lift a wing generates at a given speed and angle of attack can be one to two orders of magnitude greater than the total drag on the wing. A high lift-to-drag ratio requires a significantly smaller thrustto propel the wings through the air at sufficient lift.

Types of WinG

• Aircraft designers have designed several wing types that have different aerodynamic properties. These have different shapes and attach to the aircraft body at different angles at different points along the fuselage. Not all of these planes have a practical use – some have just been use for research.

Ford TrimotorStraight wings

The conventional straight wing extends out from the fuselage at approximately right angles. On early biplanes, one wing often was suspended above the fuselage by some sort of bracing supports while the second crossed directly under the fuselage. On monoplanes, designers positioned the wings at different heights depending on the design-some crossed above the fuselage while others were attached at the lower part of the fuselage. Mainly It’s a Long wing of consistent width and perpendicular to the fuselage; it is found on low-speed planes

B-47Swept-back wings

The swept-back wing extends backward from the fuselage at an angle. Mainly it’s a Arrow-shaped wing that is found on jet planes.

Delta DaggerDelta wings The delta wing looks much like a triangle when viewed from above (or the Greek letter "delta" Δ.) It sweeps sharply back from the fuselage with the angle between the front of the wing (the leading edge) often as high as 60° and the angle between the fuselage and the trailing edge (the back edge of the wing) at around 90°. The tip of a delta wing is often, but not always, cut off. It’s a type of Thin triangular wing that is especially aerodynamic.

X-29Forward-swept wings

The forward-swept wing gives an airplane the appearance of flying backward. The wing is angled toward the front of the aircraft and is usually attached to the airplane far back on the fuselage. A small wing called a canard is often attached to the fuselage near the front on this type of aircraft.

MiG-23Variable-sweep wings

A variable-sweep wing can be moved during flight-usually between a swept-back position and a straight position.

B-35Flying wing

The flying wing is an aircraft design where the wing forms virtually the entire airplane and it sweeps back from the center of the aircraft. The fuselage is a very narrow section in the center that joins the wings without any seams.

Dihedral wings

The term "dihedral" is used to describe wings that are angled upward from the fuselage. Dihedral is the angle at which the wings are slanted upward from the root of the wing (where it is attached to the fuselage) to the wing tip. "Canards" are small wings placed toward the front of the fuselage.

tapered wing

Wing that is perpendicular to the fuselage and whose width decreases toward the tip.

variable geometry wing

Arrow-shaped wing found on combat aircraft; the angle it forms with the fuselage can be changed in flight.

Types of WingAt a Glance

Types of airplane

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