blockDewPoint_TDryBulPhi

Block to compute the dew point temperature based on relative humidity
Diagram of DewPoint_TDryBulPhiOpen the diagram
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Information

Dew point temperature calculation for moist air above freezing temperature.

The correlation used in this model is valid for dew point temperatures between 0°C and 93°C. It is the correlation from 2009 ASHRAE Handbook Fundamentals, p. 1.9, equation 39.

Connectors

TypeNameDefaultDescription
Buildings.Controls.OBC.CDL.Interfaces.RealInputTDryBulDry bulb temperature
Buildings.Controls.OBC.CDL.Interfaces.RealInputphiRelative air humidity
Buildings.Controls.OBC.CDL.Interfaces.RealOutputTDewPoiDew point temperature

Revisions

  • November 12, 2020, by Michael Wetter:
    Reformulated to remove dependency to Modelica.Units.SI.
    This is for Buildings, issue 2243.
  • September 29, 2020, by Michael Wetter:
    Removed unused input p and renamed block.
    This is for Buildings, issue 2139
  • April 7, 2017 by Jianjun Hu:
    First implementation.