Homogeneous isotropic turbulence is an idealized version of the realistic turbulence, but amenable to analytical studies. The concept of isotropic turbulence...
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case of classical turbulence is that of homogeneous isotropic turbulence (HIT) held in a statistical steady state. Such turbulence can be created inside...
51 KB (6,321 words) - 14:05, 22 June 2025
balance. The small scales have high frequency, causing turbulence to be locally isotropic and homogeneous. Taylor microscales The intermediate scales between...
47 KB (5,591 words) - 22:33, 17 July 2025
meteorology post, becoming Reader in Dynamical Meteorology. His work on turbulence in the atmosphere led to the publication of "Turbulent motion in fluids"...
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autocorrelation with respect to time and space respectively. In isotropic homogeneous turbulence, the integral length scale ℓ {\displaystyle \ell } is defined...
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Batchelor–Chandrasekhar equation (category Turbulence)
the theory of homogeneous axisymmetric turbulence based on Howard P. Robertson's work on isotropic turbulence using an invariant principle. This equation...
9 KB (2,082 words) - 15:01, 12 July 2025
Reynolds stress equation model (category Turbulence)
which uses an isotropic eddy viscosity, RSM solves all components of the turbulent transport. 2) It is the most general of all turbulence models and works...
18 KB (2,896 words) - 02:02, 24 December 2024
pollen grain dispersal in still air and stationary, near homogeneous, isotropic turbulence". Journal of Aerosol Science. 42 (12): 867–882. Bibcode:2011JAerS...
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Thormann, A.; Meneveau, C. (February 2014). "Decay of homogeneous, nearly isotropic turbulence behind active fractal grids". Physics of Fluids. 26 (2):...
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Kármán–Howarth equation (category Turbulence)
In isotropic turbulence the Kármán–Howarth equation (after Theodore von Kármán and Leslie Howarth 1938), which is derived from the Navier–Stokes equations...
6 KB (1,175 words) - 06:04, 18 August 2022
Continuous gusts (section Turbulence intensities)
the statistics are constant in time Homogeneous, so the statistics do not depend on the vehicle path Ergodic Isotropic at high altitude, so the statistics...
12 KB (1,517 words) - 19:12, 10 September 2023
approximation for turbulence". Physics of Fluids. 8 (4): 575. Bibcode:1965PhFl....8..575K. doi:10.1063/1.1761271. Kraichnan (1966). "Isotropic Turbulence and inertial...
12 KB (1,292 words) - 01:51, 8 July 2025
Large eddy simulation (category Turbulence)
and decaying isotropic turbulence, channel flows and a variety of other more complex geometries. If a flow happens to have homogeneous directions (let...
45 KB (7,232 words) - 18:38, 5 March 2025
classic solution of the Einstein field equations that describes a homogeneous and isotropic universe was called the Friedmann–Lemaître–Robertson–Walker metric...
13 KB (1,226 words) - 05:30, 13 May 2025
Preferential concentration (category Turbulence)
{\displaystyle \epsilon } is the kinetic energy dissipation rate of the turbulence. Maximum preferential concentration occurs at S t k ∼ 1 {\displaystyle...
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of the 1970s, he first worked on the irreversibility of homogeneous and isotropic turbulence and proposed the first theoretical formulation of the shape...
11 KB (1,554 words) - 23:31, 1 August 2023
velocity and concentration distribution of heavy particles in homogeneous isotropic turbulence. Journal of fluid mechanics, 256, 27–68. Wang, L. P., & Stock...
19 KB (1,914 words) - 07:01, 2 June 2025
S2CID 123612939. Kolmogorov, A. N. (1941). "On degeneration of isotropic turbulence in an incompressible viscous liquid". Doklady Akademii Nauk SSSR...
119 KB (13,464 words) - 01:25, 26 July 2025
Reynolds stress (category Turbulence)
{\displaystyle u'_{i}} denotes the fluctuating (turbulence) part of the velocity. We consider a homogeneous fluid, whose density ρ is taken to be a constant...
12 KB (2,250 words) - 14:23, 19 December 2023
input flux. In: FEBS Lett. 172 (1984), pp. 235–238. M Markus, B Hess: Isotropic cellular automaton for modeling excitable media. In: Nature. 347 (1990)...
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Chemical reactions electrode reactions Elasticity homogeneous isotropic elasticity homogeneous isotropic poroelasticity Interface tracking evolution of an...
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Eddy diffusion (category Turbulence)
Y_{0}=0} ), in statistically stationary isotropic turbulence. In particular, consider an experiment where the isotropic turbulent velocity field has zero mean...
55 KB (7,941 words) - 01:05, 12 July 2025
spots in isotropic turbulence (1951) The passage of turbulence through wire gauzes (1951) Similarity and self-preservation in isotropic turbulence (1951...
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a model of homogeneous, isotropic advection of a passive scalar by a random vector field." (Kolmogorov's theory of homogeneous turbulence breaks down...
9 KB (986 words) - 12:26, 17 August 2024
Rogallo, Robert S. (1993). "The structure of intense vorticity in isotropic turbulence". Journal of Fluid Mechanics. 255: 65. Bibcode:1993JFM...255...65J...
12 KB (1,105 words) - 21:08, 18 December 2024
1922–1924. The Universe is assumed homogeneous (space has the same metric properties (measures) in all points) and isotropic (space has the same measures in...
166 KB (20,986 words) - 02:58, 1 June 2025
Homogeneity (physics) Homogeneity and heterogeneity Homogeneous broadening Homogeneous isotropic turbulence Homologous temperature Homotopy analysis method...
17 KB (1,815 words) - 15:35, 11 July 2022
law can be generalised to a local form: Darcy's constitutive equation (isotropic porous media) q = − k μ ∇ p {\displaystyle \mathbf {q} =-{\frac {k}{\mu...
24 KB (3,524 words) - 18:21, 21 July 2025
electric field E in terms of a material's conductivity σ, and assuming isotropic homogeneous conductivity, the equation can be written as − ∇ 2 H = σ ∇ × E ...
31 KB (3,538 words) - 23:59, 7 May 2025