functionyorkCalc

Cooling tower performance correlation for YorkCalc model

Information

Correlation for approach temperature for YorkCalc cooling tower model. See Buildings.Fluid.HeatExchangers.CoolingTowers.Correlations.Examples.YorkCalc for the graph.

Inputs

TypeNameDefaultDescription
Modelica.Units.SI.TemperatureDifferenceTRanRange temperature (water in - water out)
Modelica.Units.SI.TemperatureTWetBulAir wet-bulb inlet temperature
Modelica.Units.SI.MassFractionFRWatRatio actual over design water mass flow ratio
Modelica.Units.SI.MassFractionFRAirRatio actual over design air mass flow ratio

Outputs

TypeNameDefaultDescription
Modelica.Units.SI.TemperatureDifferenceTAppApproach temperature

Revisions

  • July 12, 2011, by Michael Wetter:
    Added smoothMax function to prevent division by zero.
  • May 14, 2008, by Michael Wetter:
    First implementation.