Prandtl Number in Heat Transfer Formulas

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.

Formulas to find Prandtl Number in Heat Transfer

fxPrandtl NumberGo

fxPrandtl Number using DiffusivitiesGo

Heat Transfer formulas that make use of Prandtl Number

fxNusselt Number for Transitional and Rough Flow in Circular TubeGo

fxStanton Number using Dimensionless NumbersGo

fxNusselt Number using Dittus Boelter Equation for CoolingGo

fxNusselt Number using Dittus Boelter Equation for HeatingGo

fxStanton Number given Fanning Friction FactorGo

List of variables in Heat Transfer formulas

fx Specific Heat Capacity Go

fx Dynamic Viscosity Go

fx Thermal Conductivity Go

fx Momentum Diffusivity Go

fx Thermal Diffusivity Go

FAQ

What is the Prandtl Number?

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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