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.

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AI-generated illustration of Boltzmann equation

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

Prompt

Generate an image of the Boltzmann equation (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)

How this entity was disambiguated

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 (hydrodynamic limit) ⓘ
linked to: Euler equations

Navier–Stokes equations (hydrodynamic limit with viscosity) ⓘ
Vlasov equation (for long-range interactions and negligible collisions) ⓘ
hasVariant Boltzmann–BGK equation ⓘ
linearized Boltzmann equation ⓘ
linked to: Boltzmann equation

quantum Boltzmann equation ⓘ
relativistic Boltzmann equation ⓘ
linked to: Boltzmann equation
historicalPeriod late 19th century ⓘ
implies Boltzmann H-theorem ⓘ
linked to: 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 entropy ⓘ
H-theorem ⓘ
Maxwell–Boltzmann distribution ⓘ
usedFor derivation of Navier–Stokes equations ⓘ
derivation of hydrodynamic equations ⓘ
non-equilibrium statistical mechanics ⓘ
rarefied gas dynamics ⓘ
transport coefficients calculation ⓘ

How these facts were elicited

Referenced by (25)

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 → relativistic Boltzmann equation ⓘ
linked to: Boltzmann equation
Boltzmann equation → hasVariant → linearized Boltzmann equation ⓘ
linked to: Boltzmann equation
Smoluchowski coagulation equation → relatedTo → Boltzmann equation ⓘ
H-theorem → relatesTo → Boltzmann equation ⓘ
H-theorem → usesConcept → Stosszahlansatz ⓘ
linked to: Boltzmann equation
Kac walk → relatedTo → Boltzmann equation ⓘ
Kac ring model → relatedTo → Boltzmann equation ⓘ
Boltzmann collision operator → appearsIn → Boltzmann equation ⓘ
Vlasov equation → relatedTo → Boltzmann equation ⓘ
Boltzmann–BGK equation → basedOn → Boltzmann equation ⓘ
Boltzmann–BGK equation → relatesTo → Chapman–Enskog expansion ⓘ
linked to: Boltzmann equation
Umklapp scattering → describedBy → Boltzmann transport equation ⓘ
linked to: Boltzmann 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 ⓘ
Drude model → relatedTo → Boltzmann transport equation ⓘ
linked to: Boltzmann equation
Kubo-Greenwood formula for conductivity → relatedTo → Boltzmann transport equation ⓘ
linked to: Boltzmann equation
Ehrenfest model → relatedTo → Boltzmann equation ⓘ
Liouville equation → isBasisFor → Boltzmann equation ⓘ