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Kármán vortex street

Index Kármán vortex street

In fluid dynamics, a Kármán vortex street (or a von Kármán vortex street) is a repeating pattern of swirling vortices, caused by a process known as vortex shedding, which is responsible for the unsteady separation of flow of a fluid around blunt bodies. [1]

40 relations: Aeroelasticity, Antenna (radio), Arnulph Mallock, Chimney, Chord (aeronautics), Coandă effect, Cooling tower, Dimensionless quantity, Eddy (fluid dynamics), Energy, Flow separation, Flow velocity, Fluid, Fluid dynamics, Frequency, Helix, Henri Bénard, Hydraulic diameter, Inertia, Instability, Kelvin–Helmholtz instability, No-slip condition, Overhead power line, Periscope, Pressure, Resonance, Reynolds number, Skyscraper, Strouhal number, Submarine, Symmetry, Tacoma Narrows Bridge (1940), Telephone line, Theodore von Kármán, Vincenc Strouhal, Viscosity, Vortex, Vortex shedding, Vortex-induced vibration, Wake.

Aeroelasticity

Aeroelasticity is the branch of physics and engineering that studies the interactions between the inertial, elastic, and aerodynamic forces that occur when an elastic body is exposed to a fluid flow.

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Antenna (radio)

In radio, an antenna is the interface between radio waves propagating through space and electric currents moving in metal conductors, used with a transmitter or receiver.

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Arnulph Mallock

Arnulph Henry Reginald Mallock, FRS (12 March 1851 – 26 June 1933) was a British scientific instrument designer and experimentalist.

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Chimney

A chimney is a structure that provides ventilation for hot flue gases or smoke from a boiler, stove, furnace or fireplace to the outside atmosphere.

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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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Coandă effect

The Coandă effect is the tendency of a fluid jet to stay attached to a convex surface.

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Cooling tower

A cooling tower is a heat rejection device that rejects waste heat to the atmosphere through the cooling of a water stream to a lower temperature.

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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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Eddy (fluid dynamics)

In fluid dynamics, an eddy is the swirling of a fluid and the reverse current created when the fluid is in a turbulent flow regime.

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Energy

In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.

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Flow separation

All solid objects traveling through a fluid (or alternatively a stationary object exposed to a moving fluid) acquire a boundary layer of fluid around them where viscous forces occur in the layer of fluid close to the solid surface.

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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

In physics, a fluid is a substance that continually deforms (flows) under an applied shear stress.

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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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Frequency

Frequency is the number of occurrences of a repeating event per unit of time.

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Helix

A helix, plural helixes or helices, is a type of smooth space curve, i.e. a curve in three-dimensional space.

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Henri Bénard

Henri Claude Bénard (25 October 1874 – 29 March 1939) was a French physicist, best known for his research on convection in liquids that now carries his name, Bénard convection.

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Hydraulic diameter

The hydraulic diameter,, is a commonly used term when handling flow in non-circular tubes and channels.

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Inertia

Inertia is the resistance of any physical object to any change in its position and state of motion.

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Instability

In numerous fields of study, the component of instability within a system is generally characterized by some of the outputs or internal states growing without bounds.

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Kelvin–Helmholtz instability

The Kelvin–Helmholtz instability (after Lord Kelvin and Hermann von Helmholtz) can occur when there is velocity shear in a single continuous fluid, or where there is a velocity difference across the interface between two fluids.

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No-slip condition

In fluid dynamics, the no-slip condition for viscous fluids assumes that at a solid boundary, the fluid will have zero velocity relative to the boundary.

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Overhead power line

An overhead power line is a structure used in electric power transmission and distribution to transmit electrical energy along large distances.

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Periscope

A periscope is an instrument for observation over, around or through an object, obstacle or condition that prevents direct line-of-sight observation from an observer's current position.

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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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Resonance

In physics, resonance is a phenomenon in which a vibrating system or external force drives another system to oscillate with greater amplitude at specific frequencies.

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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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Skyscraper

A skyscraper is a continuously habitable high-rise building that has over 40 floors and is taller than approximately.

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Strouhal number

In dimensional analysis, the Strouhal number (St) is a dimensionless number describing oscillating flow mechanisms.

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Submarine

A submarine (or simply sub) is a watercraft capable of independent operation underwater.

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Symmetry

Symmetry (from Greek συμμετρία symmetria "agreement in dimensions, due proportion, arrangement") in everyday language refers to a sense of harmonious and beautiful proportion and balance.

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Tacoma Narrows Bridge (1940)

The 1940 Tacoma Narrows Bridge, the first Tacoma Narrows Bridge, was a suspension bridge in the U.S. state of Washington that spanned the Tacoma Narrows strait of Puget Sound between Tacoma and the Kitsap Peninsula.

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Telephone line

A telephone line or telephone circuit (or just line or circuit within the industry) is a single-user circuit on a telephone communication system.

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Theodore von Kármán

Theodore von Kármán ((szőllőskislaki) Kármán Tódor; 11 May 1881 – 6 May 1963) was a Hungarian-American mathematician, aerospace engineer, and physicist who was active primarily in the fields of aeronautics and astronautics.

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Vincenc Strouhal

Vincenc Strouhal (Čeněk Strouhal) (April 10, 1850 – January 26, 1922) was a Czech physicist specializing in experimental physics.

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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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Vortex

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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Vortex shedding

In fluid dynamics, vortex shedding is an oscillating flow that takes place when a fluid such as air or water flows past a bluff (as opposed to streamlined) body at certain velocities, depending on the size and shape of the body.

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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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References

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

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