GetHumRatioFromTDewPoint {psychrolib} | R Documentation |
Return humidity ratio given dew-point temperature and pressure.
GetHumRatioFromTDewPoint(TDewPoint, Pressure)
TDewPoint |
A numeric vector of dew-point temperature in degreeF [IP] or degreeC [SI] |
Pressure |
A numeric vector of atmospheric Pressure in Psi [IP] or Pa [SI] |
A numeric vector of humidity ratio in lb_H2O lb_Air-1 [IP] or kg_H2O kg_Air-1 [SI]
ASHRAE Handbook - Fundamentals (2017) ch. 1 eqn 13
SetUnitSystem("IP")
GetHumRatioFromTDewPoint(50:80, 14.175)
SetUnitSystem("SI")
GetHumRatioFromTDewPoint(20:30, 95461.0)