Prandtl Number in External flow 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.

External flow formulas that make use of Prandtl Number

fxNusselt number for liquids for external flowGo

fxNusselt number for oils and waterGo

fxNusselt number for gases and liquidsGo

fxNusselt number for falling liquid dropsGo

fxNusselt number for liquid metalsGo

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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