GetTWetBulbFromTDewPoint Function

  1. psychrolib.f90
  2. psychrolib
  3. GetTWetBulbFromTDewPoint

public function GetTWetBulbFromTDewPoint(TDryBulb, TDewPoint, Pressure) result(TWetBulb)

Return wet-bulb temperature given dry-bulb temperature, dew-point temperature, and pressure. References: ASHRAE Handbook - Fundamentals (2017) ch. 1

Arguments

Type IntentOptional AttributesName
real, intent(in) :: TDryBulb

Dry-bulb temperature in °F [IP] or °C [SI]
real, intent(in) :: TDewPoint

Dew-point temperature in °F [IP] or °C [SI]
real, intent(in) :: Pressure

Atmospheric pressure in Psi [IP] or Pa [SI]

Return Value real

Wet-bulb temperature in °F [IP] or °C [SI]


Calls

proc~~gettwetbulbfromtdewpoint~~CallsGraph proc~gettwetbulbfromtdewpoint GetTWetBulbFromTDewPoint proc~gethumratiofromtdewpoint GetHumRatioFromTDewPoint proc~gettwetbulbfromtdewpoint->proc~gethumratiofromtdewpoint proc~gettwetbulbfromhumratio GetTWetBulbFromHumRatio proc~gettwetbulbfromtdewpoint->proc~gettwetbulbfromhumratio proc~gethumratiofromvappres GetHumRatioFromVapPres proc~gethumratiofromtdewpoint->proc~gethumratiofromvappres proc~getsatvappres GetSatVapPres proc~gethumratiofromtdewpoint->proc~getsatvappres proc~gethumratiofromtwetbulb GetHumRatioFromTWetBulb proc~gettwetbulbfromhumratio->proc~gethumratiofromtwetbulb proc~gettdewpointfromhumratio GetTDewPointFromHumRatio proc~gettwetbulbfromhumratio->proc~gettdewpointfromhumratio proc~getsathumratio GetSatHumRatio proc~gethumratiofromtwetbulb->proc~getsathumratio proc~isip isIP proc~gethumratiofromtwetbulb->proc~isip proc~getvappresfromhumratio GetVapPresFromHumRatio proc~gettdewpointfromhumratio->proc~getvappresfromhumratio proc~gettdewpointfromvappres GetTDewPointFromVapPres proc~gettdewpointfromhumratio->proc~gettdewpointfromvappres proc~getsatvappres->proc~isip proc~gettrankinefromtfahrenheit GetTRankineFromTFahrenheit proc~getsatvappres->proc~gettrankinefromtfahrenheit proc~gettkelvinfromtcelsius GetTKelvinFromTCelsius proc~getsatvappres->proc~gettkelvinfromtcelsius proc~getsathumratio->proc~getsatvappres proc~gettdewpointfromvappres->proc~getsatvappres proc~gettdewpointfromvappres->proc~isip proc~dlnpws_ dLnPws_ proc~gettdewpointfromvappres->proc~dlnpws_ proc~dlnpws_->proc~isip proc~dlnpws_->proc~gettrankinefromtfahrenheit proc~dlnpws_->proc~gettkelvinfromtcelsius

Contents

Source Code

GetTWetBulbFromTDewPoint

Source Code

  function GetTWetBulbFromTDewPoint(TDryBulb, TDewPoint, Pressure) result(TWetBulb)
    !+ Return wet-bulb temperature given dry-bulb temperature, dew-point temperature, and pressure.
    !+ References:
    !+ ASHRAE Handbook - Fundamentals (2017) ch. 1

    real, intent(in)  :: TDryBulb
      !+ Dry-bulb temperature in °F [IP] or °C [SI]
    real, intent(in)  :: TDewPoint
      !+ Dew-point temperature in °F [IP] or °C [SI]
    real, intent(in)  :: Pressure
      !+ Atmospheric pressure in Psi [IP] or Pa [SI]
    real              :: TWetBulb
      !+ Wet-bulb temperature in °F [IP] or °C [SI]
    real              :: HumRatio
      !+ Humidity ratio in lb_H₂O lb_Air⁻¹ [IP] or kg_H₂O kg_Air⁻¹ [SI]

    if (TDewPoint > TDryBulb) then
      error stop "Error: dew point temperature is above dry bulb temperature"
    end if

    HumRatio = GetHumRatioFromTDewPoint(TDewPoint, Pressure)
    TWetBulb = GetTWetBulbFromHumRatio(TDryBulb, HumRatio, Pressure)
  end function GetTWetBulbFromTDewPoint