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18 relations: Boundary layer, Density, Dimensionless quantity, Flow velocity, Fluid dynamics, Flux, Law of the wall, Log wind profile, Logarithm, Meteorology, Momentum, No-slip condition, Roughness length, Shear stress, Shear velocity, Subhasish Dey, Theodore von Kármán, Turbulence modeling.
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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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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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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Flux
Flux describes the quantity which passes through a surface or substance.
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Law of the wall
In fluid dynamics, the law of the wall states that the average velocity of a turbulent flow at a certain point is proportional to the logarithm of the distance from that point to the "wall", or the boundary of the fluid region.
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Log wind profile
The log wind profile is a semi-empirical relationship commonly used to describe the vertical distribution of horizontal mean wind speeds within the lowest portion of the planetary boundary layer.
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Logarithm
In mathematics, the logarithm is the inverse function to exponentiation.
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Meteorology
Meteorology is a branch of the atmospheric sciences which includes atmospheric chemistry and atmospheric physics, with a major focus on weather forecasting.
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Momentum
In Newtonian mechanics, linear momentum, translational momentum, or simply momentum (pl. momenta) is the product of the mass and velocity of an object.
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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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Roughness length
Roughness length (z_0) is a parameter of some vertical wind profile equations that model the horizontal mean wind speed near the ground; in the log wind profile, it is equivalent to the height at which the wind speed theoretically becomes zero.
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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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Shear velocity
Shear Velocity, also called friction velocity, is a form by which a shear stress may be re-written in units of velocity.
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Subhasish Dey
Subhasish Dey (Bengali: শুভাশীষ েদ; born 1958) is a hydraulician and educator.
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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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Turbulence modeling
Turbulence modeling is the construction and use of a model to predict the effects of turbulence.
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