npm install psychrometricpsychrometric
npm i psychrometric --save
``javascript
include psychrometric from 'psychrometric'
var options= {
db: 59.9, // dry bulb temperature in °f
bp: 14.64052, // barametric pressure in psi
rh: 50, // relative humidiy in %
wind: 0 // wind speed in mph
}
var myAir = psychchrometric(options);
console.log(myAir.data.psych.dewPoint);
`
`javascript``
myAir = {
'data': {
'psych': {
'dryBulb',// dry bulb (°F)
'wetBulb', // wetbulb (°F)
'barometricPressure', // barametric pressure (psi)
'relativeHumidity', // Relative humidity (%)
'dewPoint', // dew point (°F)
'volume', // Moist air specific volume (ft3 / lb da)
'enthalpy' // enthalpy (Btu / lb da)
},
'humidityRatio': {
'lbH2oPerLb', // (lb h2o / lb da)
'grainsPerLb' // (gr h2o / lb da)
},
'other': {
'molecularWeight', // Moleculare weight of moist air
'specificHumidity', // Specific humidity
'gasConstant', // gasconstant (ft-lbf / lb-°R)
'entropyDryAir', // Entropy of dry air
'entropyWaterVapor', // Entropy of water vapor
'speedOfSound', // Speed of sound (ft /sec)
'humidityRatioSaturatedAir', // Humidity ratio of saturated air
'saturation', // degree of saturation (%)
'density', // density (lb / ft3)
'internalEnergy', // internal energy (Btu /lb)
'enthalpySensibleHeat', // Sensibile enthalpy (Btu /lb)
'enthalpyLatentHeat', // Latent enthalpy (Btu /lb)
'virtualTemperature', // virtual temperature (°F)
'windChill' // Wind chill (°F)
},
'specificHeat': { // (Btu / lb-°R)
'isobaric', // Isobaric specific heat
'isometric', // Isometric specific heat
'heatRatio' // Specific heat ratio
}
}
}