GetDryAirDensity: Return dry-air density given dry-bulb temperature and...
In psychrolib: Psychrometric Properties of Moist and Dry Air
Description
Usage
Arguments
Value
References
Examples
Description
Return dry-air density given dry-bulb temperature and pressure.
Usage
1
GetDryAirDensity(TDryBulb, Pressure)
Arguments
TDryBulb
A numeric vector of dry-bulb temperature in degreeF [IP] or degreeC [SI]
Pressure
A numeric vector of atmospheric pressure in Psi [IP] or Pa [SI]
Value
A numeric vector of dry air density in lb ft-3 [IP] or kg m-3 [SI]
References
ASHRAE Handbook - Fundamentals (2017) ch. 1
Eqn 14 for the perfect gas relationship for dry air.
Eqn 1 for the universal gas constant.
The factor 144 in IP is for the conversion of Psi = lb in-2 to lb ft-2.
Examples
1
2
3
4
5
SetUnitSystem("IP")
GetDryAirDensity(77:87, 14.696)
SetUnitSystem("SI")
GetDryAirDensity(25:30, 101325)
psychrolib documentation built on May 29, 2021, 9:11 a.m.
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Description Usage Arguments Value References Examples
Description
Return dry-air density given dry-bulb temperature and pressure.
Usage
1 | GetDryAirDensity(TDryBulb, Pressure)
|
Arguments
TDryBulb |
A numeric vector of dry-bulb temperature in degreeF [IP] or degreeC [SI] |
Pressure |
A numeric vector of atmospheric pressure in Psi [IP] or Pa [SI] |
Value
A numeric vector of dry air density in lb ft-3 [IP] or kg m-3 [SI]
References
ASHRAE Handbook - Fundamentals (2017) ch. 1
Eqn 14 for the perfect gas relationship for dry air.
Eqn 1 for the universal gas constant.
The factor 144 in IP is for the conversion of Psi = lb in-2 to lb ft-2.
Examples
1 2 3 4 5 | SetUnitSystem("IP")
GetDryAirDensity(77:87, 14.696)
SetUnitSystem("SI")
GetDryAirDensity(25:30, 101325)
|
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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