This function is used to identify the Prandtl number of water at a given temperature. The function used is a fourth order polynomial fit to data from Incropera and Dewitt (1996).
Fundamentals of Heat and Mass Transfer (Fourth Edition), Frank Incropera and David P. Dewitt, John Wiley & Sons, 1996
function prandtlNumberWater input Modelica.Units.SI.Temperature T "Thermodynamic state record"; output Real Pr "Prandtl number"; end prandtlNumberWater;