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Wingtip vortices

Index Wingtip vortices

Wingtip vortices are circular patterns of rotating air left behind a wing as it generates lift. [1]

75 relations: Adiabatic process, Aerobatics, Aerosol, Air traffic controller, Airliner, Angle of attack, Antoine equation, Armstrong Flight Research Center, Aspect ratio (aeronautics), Atmosphere (unit), Bar (unit), Bell Boeing V-22 Osprey, Boeing 747, Boeing C-17 Globemaster III, Concentration, Condensation, Contrail, Crow instability, De Havilland Canada DHC-5 Buffalo, Dew point, Disk loading, Downwash, Elliptical wing, Fighter aircraft, Flap (aeronautics), Flare (countermeasure), G-force, Gas, Glider (aircraft), Glider (sailplane), Helmholtz's theorems, Horseshoe vortex, Ice, Ice Ih, Jet aircraft, Kelvin, Landing, Langley Research Center, Lift (force), Lift-induced drag, Lift-to-drag ratio, Lifting-line theory, Liquid, Lockheed C-5 Galaxy, Lockheed L-1011 TriStar, Melting point, NASA, Northrop Grumman EA-6B Prowler, Nucleation, Order of approximation, ..., Partial pressure, Pascal (unit), Phase (matter), Phase transition, Pressure, Pressure cooking, Properties of water, Relative humidity, Standard conditions for temperature and pressure, Takeoff, Temperature, Thermodynamic temperature, Thermodynamics, Tiltrotor, V formation, Vapor, Vortex, Vorticity, Wake turbulence, Wind tunnel, Wing, Wing configuration, Wing tip, Wingtip device, Wolters Kluwer. Expand index (25 more) »

Adiabatic process

In thermodynamics, an adiabatic process is one that occurs without transfer of heat or matter between a thermodynamic system and its surroundings.

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Aerobatics (a portmanteau of aerial-acrobatics) is the practice of flying maneuvers involving aircraft attitudes that are not used in normal flight.

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An aerosol is a suspension of fine solid particles or liquid droplets, in air or another gas.

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Air traffic controller

Air traffic controllers often abbreviated ATC are personnel responsible for the safe, orderly, and expeditious flow of air traffic in the global air traffic control system.

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An airliner is a type of aircraft for transporting passengers and air cargo.

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Angle of attack

In fluid dynamics, angle of attack (AOA, or \alpha (Greek letter alpha)) is the angle between a reference line on a body (often the chord line of an airfoil) and the vector representing the relative motion between the body and the fluid through which it is moving.

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Antoine equation

The Antoine equation is a class of semi-empirical correlations describing the relation between vapor pressure and temperature for pure components.

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Armstrong Flight Research Center

The NASA, Neil A. Armstrong Flight Research Center (AFRC) is an aeronautical research center operated by NASA.

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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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Atmosphere (unit)

The standard atmosphere (symbol: atm) is a unit of pressure defined as.

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Bar (unit)

The bar is a metric unit of pressure, but is not approved as part of the International System of Units (SI).

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Bell Boeing V-22 Osprey

The Bell Boeing V-22 Osprey is an American multi-mission, tiltrotor military aircraft with both vertical takeoff and landing (VTOL), and short takeoff and landing (STOL) capabilities.

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Boeing 747

The Boeing 747 is an American wide-body commercial jet airliner and cargo aircraft, often referred to by its original nickname, "Jumbo Jet".

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Boeing C-17 Globemaster III

The Boeing C-17 Globemaster III is a large military transport aircraft.

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In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture.

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Condensation is the change of the physical state of matter from gas phase into liquid phase, and is the reverse of vapourisation.

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Contrails (short for "condensation trails") are line-shaped clouds produced by aircraft engine exhaust or changes in air pressure, typically at aircraft cruise altitudes several miles above the Earth's surface.

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Crow instability

In aerodynamics, the Crow Instability, or V.C.I. vortex crow instability, is an inviscid line-vortex instability, named after its discoverer S. C. Crow.

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De Havilland Canada DHC-5 Buffalo

The de Havilland Canada DHC-5 Buffalo is a short takeoff and landing (STOL) utility transport turboprop aircraft developed from the earlier piston-powered DHC-4 Caribou.

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Dew point

The dew point is the temperature to which air must be cooled to become saturated with water vapor.

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Disk loading

In fluid dynamics, disk loading or disc loading is the average pressure change across an actuator disk, such as an airscrew.

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In aeronautics downwash is the change in direction of air deflected by the aerodynamic action of an airfoil, wing or helicopter rotor blade in motion, as part of the process of producing lift.

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Elliptical wing

An elliptical wing is a wing planform whose leading and trailing edges each approximate two segments of an ellipse.

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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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Flap (aeronautics)

Flaps are a type of high-lift device used to increase the lift of an aircraft wing at a given airspeed.

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Flare (countermeasure)

A flare or decoy flare is an aerial infrared countermeasure used by a plane or helicopter to counter an infrared homing ("heat-seeking") surface-to-air missile or air-to-air missile.

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The gravitational force, or more commonly, g-force, is a measurement of the type of acceleration that causes a perception of weight.

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Gas is one of the four fundamental states of matter (the others being solid, liquid, and plasma).

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Glider (aircraft)

A glider is a heavier-than-air aircraft that is supported in flight by the dynamic reaction of the air against its lifting surfaces, and whose free flight does not depend on an engine.

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Glider (sailplane)

A glider or sailplane is a type of glider aircraft used in the leisure activity and sport of gliding.

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Helmholtz's theorems

In fluid mechanics, Helmholtz's theorems, named after Hermann von Helmholtz, describe the three-dimensional motion of fluid in the vicinity of vortex filaments.

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Horseshoe vortex

The horseshoe vortex model is a simplified representation of the vortex system of a wing.

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Ice is water frozen into a solid state.

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Ice Ih

Photograph showing details of an ice cube under magnification. Ice Ih is the form of ice commonly seen on Earth. Phase space of ice Ih with respect to other ice phases. Ice Ih (pronounced: ice one h, also known as ice-phase-one) is the hexagonal crystal form of ordinary ice, or frozen water.

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Jet aircraft

A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by jet engines (jet propulsion).

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The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

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Landing is the last part of a flight, where a flying animal, aircraft, or spacecraft returns to the ground.

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Langley Research Center

Langley Research Center (LaRC or NASA Langley) located in Hampton, Virginia, United States, is the oldest of NASA's field centers.

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Lift (force)

A fluid flowing past the surface of a body exerts a force on it.

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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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Lifting-line theory

The Prandtl lifting-line theory is a mathematical model that predicts lift distribution over a three-dimensional wing based on its geometry.

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A liquid is a nearly incompressible fluid that conforms to the shape of its container but retains a (nearly) constant volume independent of pressure.

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Lockheed C-5 Galaxy

The Lockheed C-5 Galaxy is a large military transport aircraft originally designed and built by Lockheed, and now maintained and upgraded by its successor, Lockheed Martin.

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Lockheed L-1011 TriStar

The Lockheed L-1011 TriStar, commonly referred to as the L-1011 (pronounced "L-ten-eleven") or TriStar, is a medium-to-long-range, wide-body trijet airliner by Lockheed Corporation.

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Melting point

The melting point (or, rarely, liquefaction point) of a substance is the temperature at which it changes state from solid to liquid at atmospheric pressure.

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The National Aeronautics and Space Administration (NASA) is an independent agency of the executive branch of the United States federal government responsible for the civilian space program, as well as aeronautics and aerospace research.

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Northrop Grumman EA-6B Prowler

The Northrop Grumman (formerly Grumman) EA-6B Prowler is a twin-engine, four-seat, mid-wing electronic warfare aircraft derived from the A-6 Intruder airframe.

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Nucleation is the first step in the formation of either a new thermodynamic phase or a new structure via self-assembly or self-organization.

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Order of approximation

In science, engineering, and other quantitative disciplines, orders of approximation refer to formal or informal terms for how precise an approximation is, and to indicate progressively more refined approximations: in increasing order of precision, a zeroth-order approximation, a first-order approximation, a second-order approximation, and so forth.

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Partial pressure

In a mixture of gases, each gas has a partial pressure which is the hypothetical pressure of that gas if it alone occupied the entire volume of the original mixture at the same temperature.

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Pascal (unit)

The pascal (symbol: Pa) is the SI derived unit of pressure used to quantify internal pressure, stress, Young's modulus and ultimate tensile strength.

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Phase (matter)

In the physical sciences, a phase is a region of space (a thermodynamic system), throughout which all physical properties of a material are essentially uniform.

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Phase transition

The term phase transition (or phase change) is most commonly used to describe transitions between solid, liquid and gaseous states of matter, and, in rare cases, plasma.

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Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

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Pressure cooking

Pressure cooking is the process of cooking food, using water or other cooking liquid, in a sealed vessel known as a pressure cooker.

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Properties of water

Water is a polar inorganic compound that is at room temperature a tasteless and odorless liquid, which is nearly colorless apart from an inherent hint of blue. It is by far the most studied chemical compound and is described as the "universal solvent" and the "solvent of life". It is the most abundant substance on Earth and the only common substance to exist as a solid, liquid, and gas on Earth's surface. It is also the third most abundant molecule in the universe. Water molecules form hydrogen bonds with each other and are strongly polar. This polarity allows it to separate ions in salts and strongly bond to other polar substances such as alcohols and acids, thus dissolving them. Its hydrogen bonding causes its many unique properties, such as having a solid form less dense than its liquid form, a relatively high boiling point of 100 °C for its molar mass, and a high heat capacity. Water is amphoteric, meaning that it is both an acid and a base—it produces + and - ions by self-ionization.

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Relative humidity

Relative humidity (RH) is the ratio of the partial pressure of water vapor to the equilibrium vapor pressure of water at a given temperature.

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Standard conditions for temperature and pressure

Standard conditions for temperature and pressure are standard sets of conditions for experimental measurements to be established to allow comparisons to be made between different sets of data.

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Takeoff is the phase of flight in which an aerospace vehicle or an animal goes from the ground to flying in the air.

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Temperature is a physical quantity expressing hot and cold.

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Thermodynamic temperature

Thermodynamic temperature is the absolute measure of temperature and is one of the principal parameters of thermodynamics.

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Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.

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A tiltrotor is an aircraft which generates lift and propulsion by way of one or more powered rotors (sometimes called proprotors) mounted on rotating engine pods or nacelles usually at the ends of a fixed wing or an engine mounted in the fuselage with drive shafts transferring power to rotor assemblies mounted on the wingtips.

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V formation

A V formation (sometimes called a skein) is the symmetric V-shaped flight formation of flights of geese, ducks, and other migratory birds.

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In physics a vapor (American) or vapour (British and Canadian) is a substance in the gas phase at a temperature lower than its critical temperature,R.

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In fluid dynamics, a vortex (plural vortices/vortexes) is a region in a fluid in which the flow revolves around an axis line, which may be straight or curved.

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In continuum mechanics, the vorticity is a pseudovector field that describes the local spinning motion of a continuum near some point (the tendency of something to rotate), as would be seen by an observer located at that point and traveling along with the flow.

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Wake turbulence

Wake turbulence is a disturbance in the atmosphere that forms behind an aircraft as it passes through the air.

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Wind tunnel

A wind tunnel is a tool used in aerodynamic research to study the effects of air moving past solid objects.

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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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Wing tip

A wing tip (or wingtip) is the part of the wing that is most distant from the fuselage of a fixed-wing aircraft.

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Wingtip device

Wingtip devices are intended to improve the efficiency of fixed-wing aircraft by reducing drag.

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Wolters Kluwer

Wolters Kluwer N.V. is a global information services company.

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Redirects here:

Smoke angel, Tip vortices, Trailing vortex, Trailing vortices, Wing vortices, Wing-tip vortex, Wing-tip vortices, Wingtip vortex.


[1] https://en.wikipedia.org/wiki/Wingtip_vortices

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