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What does PR stand for?

PR stands for Prandtl Number

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Science, medicine, engineering, etc.

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Other Resources:
We have 88 other meanings of PR in our Acronym Attic

Samples in periodicals archive:

i] = pipe internal diameter DB = dry bulb f = Darcy friction factor fpi = fins per inch gpm = gallon per minute J = heat transfer Colburn J-factor L = straight pipe length NTU = number of transfer units Nu = Nusselt numbe OD = outside diameter Pr = Prandtl number Re = Reynolds number RH = relative humidity St = Stanton Number TMY = Typical Meteorological Year VAV = variable air volume WB = wet Bulb [J.
However, Gebhart [1], Gebhart and Mollendorf [2] have shown that when the temperature difference is small or in high Prandtl number fluids or when the gravitational field is of high intensity, viscous dissipative heat should be taken into account in free convection flow past a semi-infinite vertical plate.