Rayleigh Number in Dimensionless groups Formulas

Rayleigh Number is a dimensionless parameter that is a measure of the instability of a layer of fluid due to differences of temperature and density at the top and bottom. And is denoted by Ra.

Dimensionless groups formulas that make use of Rayleigh Number

fxPrandtl number given Rayleigh numberGo

FAQ

What is the Rayleigh Number?

Rayleigh Number is a dimensionless parameter that is a measure of the instability of a layer of fluid due to differences of temperature and density at the top and bottom.

Can the Rayleigh Number be negative?

{YesorNo}, the Rayleigh Number, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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