GetVapPresFromHumRatio: Return vapor pressure given humidity ratio and pressure.
In psychrolib: Psychrometric Properties of Moist and Dry Air
Description
Usage
Arguments
Value
References
Examples
Description
Return vapor pressure given humidity ratio and pressure.
Usage
1
GetVapPresFromHumRatio(HumRatio, Pressure)
Arguments
HumRatio
A numeric vector of humidity ratio in lb_H2O lb_Air-1 [IP] or kg_H2O kg_Air-1 [SI]
Pressure
A numeric vector of atmospheric pressure in Psi [IP] or Pa [SI]
Value
A numeric vector of partial pressure of water vapor in moist air in Psi [IP] or Pa [SI]
References
ASHRAE Handbook - Fundamentals (2017) ch. 1 eqn 20 solved for pw
Examples
1
2
3
4
5
SetUnitSystem("IP")
GetVapPresFromHumRatio(seq(0.02, 0.03, 0.001), 14.175)
SetUnitSystem("SI")
GetVapPresFromHumRatio(seq(0.02, 0.03, 0.001), 95461)
psychrolib documentation built on May 29, 2021, 9:11 a.m.
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Description Usage Arguments Value References Examples
Description
Return vapor pressure given humidity ratio and pressure.
Usage
1 | GetVapPresFromHumRatio(HumRatio, Pressure)
|
Arguments
HumRatio |
A numeric vector of humidity ratio in lb_H2O lb_Air-1 [IP] or kg_H2O kg_Air-1 [SI] |
Pressure |
A numeric vector of atmospheric pressure in Psi [IP] or Pa [SI] |
Value
A numeric vector of partial pressure of water vapor in moist air in Psi [IP] or Pa [SI]
References
ASHRAE Handbook - Fundamentals (2017) ch. 1 eqn 20 solved for pw
Examples
1 2 3 4 5 | SetUnitSystem("IP")
GetVapPresFromHumRatio(seq(0.02, 0.03, 0.001), 14.175)
SetUnitSystem("SI")
GetVapPresFromHumRatio(seq(0.02, 0.03, 0.001), 95461)
|
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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