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Drag coefficient

Index 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. [1]

98 relations: Aerodynamics, Airbus A380, Airfoil, Airship, Area, Atmosphere (unit), Atmosphere of Earth, Audi 100, Audi A4, Automobile drag coefficient, Automotive aerodynamics, Ballistic coefficient, Barometric formula, BMW 3 Series (E30), BMW 5 Series (E39), BMW i8, Boeing 747, Boeing 787 Dreamliner, Boundary layer, Cessna 172, Cessna 182 Skylane, Cessna 310, Citroën CX, Cube root, Density, Dimensionless quantity, Dodge Charger Daytona, Drag (physics), Drag count, Drag crisis, Drag equation, Eiffel Tower, Empire State Building, Fiat Turbina, Flow velocity, Fluid dynamics, Force, Ford Focus (second generation, Europe), Ford Transit Custom, Friction, General Motors EV1, Hydrofoil, Hyundai Ioniq, Ira H. Abbott, Laminar flow, Laurence Joseph Clancy, Learjet 24, Length scale, Lift (force), Lift-induced drag, ..., Lockheed F-104 Starfighter, Mach number, Maserati Ghibli, Maserati Quattroporte, Mazda3, McDonnell Douglas F-4 Phantom II, Mercedes-Benz CLA-Class, Mercedes-Benz T80, Model rocket, Nissan GT-R, North American X-15, Ogive, Opel Omega, Oropesa (minesweeping), Pac-car II, Parasitic drag, Plymouth Superbird, Pressure, Pressure gradient, Renault Eolab, Reynolds number, Road bicycle, Saab 92, Schlörwagen, Shear stress, Skiing, Skin friction drag, Solid of revolution, Square (algebra), Stagnation pressure, Stall (fluid mechanics), Stokes's law, Tatra 77, Tesla Model 3, Tesla Model S, Tesla Semi, Toyota Prius, Toyota Prius (XW30), Tuna, Turbulence, Usain Bolt, Velomobile, Viscosity, Volkswagen 1-litre car, Volkswagen Beetle, Vortex-induced vibration, Wake, Zero-lift drag coefficient. Expand index (48 more) »

Aerodynamics

Aerodynamics, from Greek ἀήρ aer (air) + δυναμική (dynamics), is the study of the motion of air, particularly its interaction with a solid object, such as an airplane wing.

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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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Airfoil

An airfoil (American English) or aerofoil (British English) is the shape of a wing, blade (of a propeller, rotor, or turbine), or sail (as seen in cross-section).

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Airship

An airship or dirigible balloon is a type of aerostat or lighter-than-air aircraft that can navigate through the air under its own power.

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Area

Area is the quantity that expresses the extent of a two-dimensional figure or shape, or planar lamina, in the plane.

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Atmosphere (unit)

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

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Atmosphere of Earth

The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.

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Audi 100

The Audi 100 and Audi 200 are four-door, front-engine, front- or all-wheel drive full-size/executive sedans manufactured and marketed by the Audi division of the Volkswagen Group for model years 1968 through 1994 — across four generations (C1-C4), with a two-door model available in the first and second generation (C1-2) and a five-door wagon available in the third (C3) generation.

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Audi A4

The Audi A4 is a line of compact executive cars produced since 1994 by the German car manufacturer Audi, a subsidiary of the Volkswagen Group.

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Automobile drag coefficient

The drag coefficient is a common measure in automotive design as it pertains to aerodynamics.

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Automotive aerodynamics

Automotive aerodynamics is the study of the aerodynamics of road vehicles.

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Ballistic coefficient

In ballistics, the ballistic coefficient (BC) of a body is a measure of its ability to overcome air resistance in flight.

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Barometric formula

The barometric formula, sometimes called the exponential atmosphere or isothermal atmosphere, is a formula used to model how the pressure (or density) of the air changes with altitude.

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BMW 3 Series (E30)

The BMW E30 is the second generation of BMW 3 Series, which was produced from 1982 to 1994.

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BMW 5 Series (E39)

The BMW E39 is the fourth generation of BMW 5 Series, which was sold from 1995 to 2003.

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BMW i8

The BMW i8 is a plug-in hybrid sports car developed by BMW.

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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 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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Boundary layer

In physics and fluid mechanics, a boundary layer is an important concept and refers to the layer of fluid in the immediate vicinity of a bounding surface where the effects of viscosity are significant.

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Cessna 172

The Cessna 172 Skyhawk is an American four-seat, single-engine, high wing, fixed-wing aircraft made by the Cessna Aircraft Company.

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Cessna 182 Skylane

The Cessna 182 Skylane is an American four-seat, single-engined light airplane, built by Cessna of Wichita, Kansas.

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Cessna 310

The Cessna 310 is an American four-to-six-seat, low-wing, twin-engined monoplane produced by Cessna between 1954 and 1980.

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Citroën CX

The Citroën CX is an executive car produced by the French automaker Citroën from 1974 to 1991.

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Cube root

In mathematics, a cube root of a number x is a number y such that y3.

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Density

The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.

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Dimensionless quantity

In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned.

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Dodge Charger Daytona

Dodge, an American automobile brand, produced three separate vehicles with the name Dodge Charger Daytona, all of which were modified Dodge Chargers.

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Drag (physics)

In fluid dynamics, drag (sometimes called air resistance, a type of friction, or fluid resistance, another type of friction or fluid friction) is a force acting opposite to the relative motion of any object moving with respect to a surrounding fluid.

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Drag count

A drag count is a dimensionless unit used by aerospace engineers where 1 drag count is equal to a C_d of 0.0001.

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Drag crisis

In fluid dynamics, drag crisis is a phenomenon in which drag coefficient drops off suddenly as Reynolds number increases.

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Drag equation

In fluid dynamics, the drag equation is a formula used to calculate the force of drag experienced by an object due to movement through a fully enclosing fluid.

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Eiffel Tower

The Eiffel Tower (tour Eiffel) is a wrought iron lattice tower on the Champ de Mars in Paris, France.

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Empire State Building

The Empire State Building is a 102-story Art Deco skyscraper in Midtown Manhattan, New York City.

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Fiat Turbina

The Fiat Turbina was a gas turbine-powered concept car built by Italian car manufacturer Fiat in 1954.

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Flow velocity

In continuum mechanics the macroscopic velocity, also flow velocity in fluid dynamics or drift velocity in electromagnetism, is a vector field used to mathematically describe the motion of a continuum.

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Fluid dynamics

In physics and engineering, fluid dynamics is a subdiscipline of fluid mechanics that describes the flow of fluids - liquids and gases.

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Force

In physics, a force is any interaction that, when unopposed, will change the motion of an object.

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Ford Focus (second generation, Europe)

The Ford Focus Mk 2 is an automobile which was produced by Ford from 2005 to 2010.

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Ford Transit Custom

The Ford Transit Custom is a mid-sized, front wheel drive van produced by Ford Europe since 2012.

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Friction

Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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General Motors EV1

The General Motors EV1 was an electric car produced and leased by General Motors from 1996 to 1999.

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Hydrofoil

A hydrofoil is a lifting surface, or foil, that operates in water.

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Hyundai Ioniq

The Hyundai Ioniq is a compact five door liftback manufactured and marketed by Hyundai in hybrid, plug-in hybrid and all-electric variants.

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Ira H. Abbott

Ira H. Abbott (July 18, 1906 – November 3, 1988) was an American aerospace engineer.

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Laminar flow

In fluid dynamics, laminar flow (or streamline flow) occurs when a fluid flows in parallel layers, with no disruption between the layers.

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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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Learjet 24

The Learjet 24 is an American six-to-eight-seat (two crew and four to six passengers) twin-engine, high-speed business jet, which was manufactured by Learjet as the successor to the Learjet 23.

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Length scale

In physics, length scale is a particular length or distance determined with the precision of one order of magnitude.

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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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Lockheed F-104 Starfighter

The Lockheed F-104 Starfighter is a single-engine, supersonic interceptor aircraft which later became widely used as an attack aircraft.

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Mach number

In fluid dynamics, the Mach number (M or Ma) is a dimensionless quantity representing the ratio of flow velocity past a boundary to the local speed of sound.

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Maserati Ghibli

Maserati Ghibli is the name of three different cars produced by Italian manufacturer Maserati: the AM115, a V8 grand tourer from 1966 to 1973; the AM336, a V6 twin-turbo coupé from 1992 to 1997; and the M157, an executive saloon from 2013 on.

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Maserati Quattroporte

The Maserati Quattroporte is a four-door luxury sports sedan produced by Italian car manufacturer Maserati.

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Mazda3

The Mazda3 or Mazda 3 (known as the Mazda Axela in Japan, a combination of "accelerate" and "excellent") is a compact car manufactured in Japan by Mazda.

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McDonnell Douglas F-4 Phantom II

The McDonnell Douglas F-4 Phantom II is a tandem two-seat, twin-engine, all-weather, long-range supersonic jet interceptor and fighter-bomber originally developed for the United States Navy by McDonnell Aircraft.

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Mercedes-Benz CLA-Class

The Mercedes-Benz CLA-Class is a coupe manufactured by Mercedes-Benz, based on the platform of the Mercedes-Benz W176 A-Class and W246 B-Class compact cars, formally launched at the January 2013 North American International Auto Show.

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Mercedes-Benz T80

The Mercedes-Benz T80 was a six-wheeled vehicle built by Mercedes-Benz, developed and designed by Ferdinand Porsche.

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Model rocket

A model rocket is a small rocket designed to reach low altitudes (e.g., for model) and be recovered by a variety of means.

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Nissan GT-R

The Nissan GT-R is a 2-door 2+2 high performance vehicle produced by Nissan unveiled in 2007.

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North American X-15

The North American X-15 was a hypersonic rocket-powered aircraft operated by the United States Air Force and the National Aeronautics and Space Administration as part of the X-plane series of experimental aircraft.

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Ogive

An ogive is the roundly tapered end of a two-dimensional or three-dimensional object.

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Opel Omega

The Opel Omega is an executive car engineered and manufactured by the German automaker Opel between 1986 and 2003.

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Oropesa (minesweeping)

An Oropesa is a streamlined towed body used in the process of minesweeping.

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Pac-car II

Pac-Car II was developed as a student project at ETH Zürich (Swiss Federal Institute of Technology).

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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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Plymouth Superbird

The Plymouth Superbird was a highly modified, short-lived version of the Plymouth Road Runner with well-known graphics and horn sound.

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Pressure

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 gradient

In atmospheric science (meteorology, climatology and related fields), the pressure gradient (typically of air, more generally of any fluid) is a physical quantity that describes in which direction and at what rate the pressure increases the most rapidly around a particular location.

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Renault Eolab

The Renault Eolab is a concept car plug-in hybrid designed by the French car manufacturer Renault.

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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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Road bicycle

The term road bicycle is used to describe bicycles built for traveling at speed on paved roads.

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Saab 92

Saab 92 is the first production automobile from Saab.

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Schlörwagen

The Schlörwagen (nicknamed "Egg" or "Pillbug") was a prototype aerodynamic rear-engine passenger vehicle developed by Karl Schlör (1911–1997) and presented to the public in 1939.

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Shear stress

A shear stress, often denoted by (Greek: tau), is the component of stress coplanar with a material cross section.

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Skiing

Skiing can be a means of transport, a recreational activity or a competitive winter sport in which the participant uses skis to glide on snow.

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Skin friction drag

Skin friction drag is a component of profile drag, which is resistant force exerted on an object moving in a fluid.

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Solid of revolution

In mathematics, engineering, and manufacturing, a solid of revolution is a solid figure obtained by rotating a plane curve around some straight line (the axis of revolution) that lies on the same plane.

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Square (algebra)

In mathematics, a square is the result of multiplying a number by itself.

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Stagnation pressure

In fluid dynamics, stagnation pressure (or pitot pressure) is the static pressure at a stagnation point in a fluid flow.

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Stall (fluid mechanics)

In fluid dynamics, a stall is a reduction in the lift coefficient generated by a foil as angle of attack increases.

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Stokes's law

In 1851, George Gabriel Stokes derived an expression, now known as Stokes's law, for the frictional force – also called drag force – exerted on spherical objects with very small Reynolds numbers in a viscous fluid.

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Tatra 77

The Czechoslovakian Tatra 77 (T77) is the first serial-produced, truly aerodynamically-designed automobile.

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Tesla Model 3

The Tesla Model 3 is a mid-size (US) / compact executive (EU) luxury all-electric four-door sedan manufactured and sold by Tesla, Inc. According to Tesla officials, the Model 3 standard model delivers an EPA-rated all-electric range of and the long-range model delivers.

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Tesla Model S

The Tesla Model S is a full-sized / mid-size luxury all-electric five-door liftback Q-car (for P models), produced by Tesla, Inc., and introduced on June 22, 2012.

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Tesla Semi

The Tesla Semi is an all-electric battery-powered Class 8 semi-trailer truck prototype which was unveiled on November 16, 2017 and planned for production in 2019 by Tesla, Inc. The company initially announced that the truck would have a range on a full charge and with its new batteries it would be able to run for after an 80% charge in 30 minutes using a solar-powered "Tesla Megacharger" charging station.

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Toyota Prius

The Toyota Prius (Japanese:トヨタプリウス)() is a full hybrid electric automobile developed by Toyota and manufactured by the company since 1997.

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Toyota Prius (XW30)

The Toyota Prius is a compact liftback that has been produced by Toyota.

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Tuna

A tuna is a saltwater fish that belongs to the tribe Thunnini, a sub-grouping of the mackerel family (Scombridae).

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Turbulence

In fluid dynamics, turbulence or turbulent flow is any pattern of fluid motion characterized by chaotic changes in pressure and flow velocity.

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Usain Bolt

Usain St Leo Bolt (born 21 August 1986) is a retired Jamaican sprinter and world record holder in the 100 metres, 200 metres and 4 × 100 metres relay.

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Velomobile

A velomobile, velomobiel, velo, or bicycle car, is a human-powered vehicle (HPV) enclosed for aerodynamic advantage and protection from weather and collisions.

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Viscosity

The viscosity of a fluid is the measure of its resistance to gradual deformation by shear stress or tensile stress.

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Volkswagen 1-litre car

The Volkswagen XL1 (VW 1-litre) is a two-person limited production diesel-powered plug-in hybrid produced by Volkswagen.

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Volkswagen Beetle

The Volkswagen Beetle – officially the Volkswagen Type 1, informally in German the Käfer (literally "beetle"), in parts of the English-speaking world the Bug, and known by many other nicknames in other languages – is a two-door, rear-engine economy car, intended for five passengers, that was manufactured and marketed by German automaker Volkswagen (VW) from 1938 until 2003.

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Vortex-induced vibration

In fluid dynamics, vortex-induced vibrations (VIV) are motions induced on bodies interacting with an external fluid flow, produced by – or the motion producing – periodical irregularities on this flow.

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Wake

In fluid dynamics, a wake may either be.

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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:

Coefficient of Drag, Coefficient of drag, Drag Coefficient, Drag co-efficient, Drag constant.

References

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

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