Rayleigh Number in Free convection 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 R_l.

Free convection formulas that make use of Rayleigh Number

fxLength of annular space between two concentric cylindersGo

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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