btarice.blogg.se - Psychrometric chart excel si units

Formulations for the thermodynamic properties of the saturated phases of H2O from 173.15 K to 473.15 K, W.The psychrometrics library uses the most accurate formulations of thermodynamic properties of moist air.įormulations are based on the study performed by Hyland and Wexler, and approved by ASHRAE (American Society of Heating, Refrigeration and Air-conditioning Engineers) as documented in the 1997 ASHRAE Handbook "Fundamentals". HumidAir Excel Add-In - Sample calculations in Excel The following figure shows a sample spreadsheet included in the download package. Call HumidAir functions from VBA (samples are included in the release version).Create User Defined Functions ( UDF) which use HumidAir functions.Developed in C++ for maximum speed, thoroughly tested for accuracy.License includes 32 bit and 64 bit version of the library.Based on the most accurate formulation (Hyland and Wexler).

Professional quality, industrial strength software, proven in real world applications.

The library is fully integrated in Excel, and available functions can be used in the same way as any other Excel function. It allows 21 different combinations of input variables to be used for calculations.

The psychrometrics Excel Add-In library calculates 35 thermodynamic properties of humid (moist) air in SI and English units.