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CYTSoft Psychrometric Calculator 1.0 
Overview 


CYTSoft Psychrometric Calculator 1.0 provides engineers and scientists with highly accurate thermodynamic properties of moist air. It calculates as many as 42 properties completely based on ASHRAE's HylandWexler Formulations, which treat dry air, water vapor and moist air as real gases, rather than ideal gases. 
Range of validity

Equation of stateMoist air is treated as mixture of two real gases. The PvT equation for each component and mixture is described by a virial equation of state Pv/RT = Z = 1 + B/v + C/vČ + ... where
P = pressure Fourth and higherorder virial coefficients are assumed to be negligible. The virial coefficients are functions of temperature, and they account for the deviation of actual gases from ideal gases. 
InputYou can select any one of the following 24 combinations of input variables for each calculation:
where
DB = dry bulb temperature of moist air 
Output

References

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