Boltzmann equation

E46431

The Boltzmann equation is a fundamental kinetic theory equation that describes the statistical behavior and time evolution of a dilute gas or particle distribution in phase space due to streaming and collisions.

All labels observed (6)

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Statements (49)

Predicate Object
instanceOf equation in statistical mechanics
integro-differential equation
kinetic equation
transport equation
appliesTo classical particles
dilute gases
assumes binary collisions
molecular chaos
short-range interactions
describes effect of collisions on particle distributions
evolution in phase space
free streaming of particles
non-equilibrium dynamics of gases
statistical behavior of a dilute gas
time evolution of particle distribution function
domain phase space
field gas dynamics
kinetic theory
mathematical physics
statistical mechanics
governs approach to thermodynamic equilibrium in gases
hasDependentVariable single-particle distribution function
hasIndependentVariable momentum
position
time
velocity
hasLimit Euler equations
surface form: Euler equations (hydrodynamic limit)

Navier–Stokes equations
surface form: Navier–Stokes equations (hydrodynamic limit with viscosity)

Vlasov equation (for long-range interactions and negligible collisions)
hasVariant Boltzmann–BGK equation
Boltzmann equation self-linksurface differs
surface form: linearized Boltzmann equation

quantum Boltzmann equation
Boltzmann equation self-linksurface differs
surface form: relativistic Boltzmann equation
historicalPeriod late 19th century
implies H-theorem
surface form: Boltzmann H-theorem
includesOperator Boltzmann collision operator
includesTerm collision term
streaming term
mathematicalType integro-differential equation in 7 variables
nonlinear equation
namedAfter Ludwig Boltzmann
relatedTo Boltzmann–Gibbs entropy in statistical mechanics
surface form: Boltzmann entropy

H-theorem
Maxwell–Boltzmann statistics
surface form: Maxwell–Boltzmann distribution
usedFor derivation of Navier–Stokes equations
derivation of hydrodynamic equations
non-equilibrium statistical mechanics
rarefied gas dynamics
transport coefficients calculation

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Referenced by (20)

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

Radiative Transfer relatedConcept Boltzmann equation
Ludwig Boltzmann knownFor Boltzmann equation
Ludwig Boltzmann hasEquationNamedAfter Boltzmann equation
Boltzmann equation hasVariant Boltzmann equation self-linksurface differs
this entity surface form: relativistic Boltzmann equation
Boltzmann equation hasVariant Boltzmann equation self-linksurface differs
this entity surface form: linearized Boltzmann equation
Smoluchowski coagulation equation relatedTo Boltzmann equation
H-theorem relatesTo Boltzmann equation
H-theorem usesConcept Boltzmann equation
this entity surface form: Stosszahlansatz
Kac walk relatedTo Boltzmann equation
Kac ring model relatedTo Boltzmann equation
Boltzmann collision operator appearsIn Boltzmann equation
Vlasov equation (for long-range interactions and negligible collisions) relatedTo Boltzmann equation
subject surface form: Vlasov equation
Boltzmann–BGK equation basedOn Boltzmann equation
Boltzmann–BGK equation relatesTo Boltzmann equation
this entity surface form: Chapman–Enskog expansion
Umklapp scattering describedBy Boltzmann equation
this entity surface form: Boltzmann transport equation
Théorème vivant fieldCovered Boltzmann equation
Birth of a Theorem subject Boltzmann equation
Boltzmann–Kac equation basedOn Boltzmann equation
Boltzmann–Kac equation relatedTo Boltzmann equation
Knudsen number relatedTo Boltzmann equation