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Heat and Mass Transfer
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
f
x
Local Nusselt number for constant heat flux
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f
x
Local Nusselt number given Grashof number
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f
x
Local Nusselt number for constant heat flux for Grashof number
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f
x
Average Nusselt number for constant wall temperature
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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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