Kolmogorov spectrum of turbulence

E320433

The Kolmogorov spectrum of turbulence is a fundamental theory in fluid dynamics that predicts how kinetic energy is distributed across different scales in fully developed turbulent flow, most famously yielding the −5/3 power law for the inertial subrange.

All labels observed (7)

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Predicate Object
instanceOf physical law
scaling law in fluid dynamics
turbulence theory
appliesTo fully developed turbulence
high Reynolds number flows
homogeneous turbulence
incompressible turbulence
isotropic turbulence
three-dimensional turbulence
assumes constant mean energy dissipation rate in the inertial range
existence of an inertial subrange
localness of interactions in scale space
scale separation between energy injection and dissipation scales
statistical homogeneity
statistical isotropy
basedOn Kolmogorov spectrum of turbulence self-linksurface differs
surface form: Kolmogorov similarity hypotheses

dimensional analysis
contrastsWith two-dimensional turbulence energy spectra
coreResult minus five thirds power law for the inertial subrange
describes distribution of kinetic energy over wavenumbers in turbulent flow
field fluid dynamics
statistical physics
turbulence
hasConsequence scale-invariant statistics of velocity fluctuations in the inertial range
universal form of the energy spectrum in the inertial range
influenced large eddy simulation modeling
subgrid-scale models
introducedIn 1941
namedAfter Andrei Kolmogorov
surface form: Andrey Kolmogorov
notValidIn dissipation range
energy-containing range
partOf Kolmogorov spectrum of turbulence self-linksurface differs
surface form: Kolmogorov 1941 theory of turbulence
predicts energy spectrum E(k) proportional to k^(-5/3) in the inertial range
self-similar energy cascade from large to small scales
relatedConcept -5/3 law
Kolmogorov microscales
energy cascade
structure functions of velocity increments
relatedTo Navier–Stokes equations
relatesQuantity Kolmogorov spectrum of turbulence self-linksurface differs
surface form: Kolmogorov length scale η

energy spectrum E(k)
mean energy dissipation rate ε
wavenumber k
usedFor closure models in turbulence
interpreting experimental turbulence spectra
modeling turbulent energy cascades
validating numerical simulations of turbulence
validIn inertial subrange of turbulent scales
verification supported by atmospheric turbulence measurements
supported by many laboratory turbulence experiments

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Referenced by (9)

Full triples — surface form annotated when it differs from this entity's canonical label.

Andrei Kolmogorov notableWork Kolmogorov spectrum of turbulence
Charles Meneveau influencedBy Kolmogorov spectrum of turbulence
this entity surface form: Kolmogorov turbulence theory
The Theory of Homogeneous Turbulence relatedTo Kolmogorov spectrum of turbulence
this entity surface form: Kolmogorov theory of turbulence
Kraichnan model of passive scalar advection relatedTo Kolmogorov spectrum of turbulence
this entity surface form: Kolmogorov 1941 theory
Lagrangian-history direct interaction approximation (LHDIA) relatesTo Kolmogorov spectrum of turbulence
subject surface form: Lagrangian-history direct interaction approximation
this entity surface form: Kolmogorov theory of turbulence
Kolmogorov spectrum of turbulence basedOn Kolmogorov spectrum of turbulence self-linksurface differs
this entity surface form: Kolmogorov similarity hypotheses
Kolmogorov spectrum of turbulence partOf Kolmogorov spectrum of turbulence self-linksurface differs
this entity surface form: Kolmogorov 1941 theory of turbulence
Kolmogorov spectrum of turbulence relatesQuantity Kolmogorov spectrum of turbulence self-linksurface differs
this entity surface form: Kolmogorov length scale η
A First Course in Turbulence subject Kolmogorov spectrum of turbulence
this entity surface form: Kolmogorov theory of turbulence