Rayleigh–Bénard convection

E350921

Rayleigh–Bénard convection is a fluid dynamics phenomenon in which a horizontal fluid layer heated from below develops organized convection cells due to buoyancy-driven instability.

All labels observed (3)

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf fluid dynamics phenomenon ⓘ
hydrodynamic instability ⓘ
thermal convection ⓘ
applicationArea astrophysical convection ⓘ
atmospheric convection ⓘ
industrial heat transfer ⓘ
mantle convection ⓘ
assumes Boussinesq approximation ⓘ
canBecome turbulent convection ⓘ
characterizedBy buoyancy-driven instability ⓘ
cellular flow patterns ⓘ
organized convection cells ⓘ
pattern formation ⓘ
dependsOn fluid viscosity ⓘ
gravity ⓘ
layer thickness ⓘ
thermal diffusivity ⓘ
thermal expansion coefficient ⓘ
drivenBy buoyancy forces ⓘ
temperature gradient ⓘ
exhibits hexagonal patterns ⓘ
roll patterns ⓘ
spiral defect chaos ⓘ
governedBy Navier–Stokes equations ⓘ
heat equation ⓘ
hasAlternativeName Bénard convection ⓘ
Rayleigh-Bénard convection ⓘ
hasCriticalRayleighNumber approximately 1708 for free-free boundaries in a simple model ⓘ
hasParameter Nusselt number ⓘ
Prandtl number ⓘ
Rayleigh number ⓘ
isExampleOf dissipative structure ⓘ
far-from-equilibrium thermodynamics ⓘ
spontaneous symmetry breaking ⓘ
leadsTo heat transport enhancement ⓘ
transition from conduction to convection ⓘ
lowerBoundary hotter plate ⓘ
namedAfter Henri Bénard ⓘ
Lord Rayleigh ⓘ
occursIn finite layer between two horizontal plates ⓘ
horizontal fluid layer ⓘ
viscous fluid ⓘ
onsetCondition Rayleigh number exceeds critical value ⓘ
requires cooling from above ⓘ
heating from below ⓘ
studiedIn nonlinear dynamics ⓘ
pattern formation theory ⓘ
turbulence research ⓘ
upperBoundary cooler plate ⓘ

How these facts were elicited

Referenced by (3)

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

Schwarzschild criterion → relatedTo → Rayleigh–Bénard convection ⓘ
Rayleigh–Bénard convection → hasAlternativeName → Bénard convection ⓘ
linked to: Rayleigh–Bénard convection
Rayleigh–Bénard convection → hasAlternativeName → Rayleigh-Bénard convection ⓘ
linked to: Rayleigh–Bénard convection