# calcHumidity

0th

Percentile

##### Calculating Various Humidity Related Values

This set of functions calculates different humidity related values based on the given entities.

Keywords
manip
##### Usage
calcDewp(ta, rh)
calcEnth(ta, rh, pb)
calcHumx(ta, rh)
calcMixR(ta, rh, pb)
calcRH(ta, mr, pb)
calcSVP(ta)
calcVP(ta, mr, pb)
##### Arguments
ta

a numeric value or vector presenting air temperature in [degree C]

rh

a numeric value or vector presenting relative humidity in [%]

mr

a numeric value or vector presenting the mixIng ratio in [g/kg]

pb

a numeric value or vector presenting barometric pressure in [torr]

##### Details

The length of the arguments must be either the same or they must have the length one and one common second length.

##### Value

calcDewp returns the dew point temperature in [degree C]

calcEnth returns a single value or a vector of values of enthalpy in [J]

calcHumx returns a single value or a vector of values of the humidex of air [ ]

calcMixR returns a single value or a vector of mixIng ratio in [g/kg]

calcRH returns a single value or a vector of relative humidities in [%]

calcSVP returns a single value or a vector of saturation vapor pressure in [kpa]

calcVP returns a single value or a vector of vapor pressure in [kpa]

##### References

For references related to humidex, see: Rajib Ranaa, Brano Kusya, Raja Jurdaka, Josh Wallb and Wen Hua, Feasibility analysis of using humidex as an indoor thermal comfort predictor, Energy and Buildings 64 (2013) 17-25.

Masterton, J. M., and Richardson, F. A., Humidex a method of quantifying humandiscomfort due to excessive heat and humidity, clI 1-79. Downsview, Ont: Environment Canada. Atmosheric Environment Service, 1979.

• calcHumidity
• calcDewp
• calcEnth
• calcHumx
• calcMixR
• calcRH
• calcSVP
• calcVP
##### Examples
# NOT RUN {
## Calc single value of absolute humidity
ta <- 25
rh <- 50
calcMixR(ta, rh, 760)

## Calc set of values of absolute humidity
ta <- 25:30
rh <- 50
calcMixR(ta, rh, 760)

## Calculating dew point temperature with single values for ta and rh
calcDewp(25, 50)

## Calculating dew point temperature with a vector of values for ta and a single value for rh
calcDewp(25:29, 50)

## Calc single value of enthalpy
ta <- 25
rh <- 50
calcEnth(ta, rh, 760)

## Calc set of values of enthalpy
ta <- 25:30
rh <- 50
calcEnth(ta, rh, 760)
# }

Documentation reproduced from package comf, version 0.1.7, License: GPL-2

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