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Prandtl Number in Free convection Formulas

The Prandtl number (Pr) or Prandtl group is a dimensionless number, named after the German physicist Ludwig Prandtl, defined as the ratio of momentum diffusivity to thermal diffusivity. And is denoted by Pr.

Free convection formulas that make use of Prandtl Number

fxLocal Nusselt number for constant heat flux​Go
fxLocal Nusselt number given Grashof number​Go
fxLocal Nusselt number for constant heat flux for Grashof number​Go
fxAverage Nusselt number for constant wall temperature​Go

FAQ

What is the Prandtl Number?
The Prandtl number (Pr) or Prandtl group is a dimensionless number, named after the German physicist Ludwig Prandtl, defined as the ratio of momentum diffusivity to thermal diffusivity.
Can the Prandtl Number be negative?
{YesorNo}, the Prandtl Number, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.
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