If you’ve ever worked in chemical engineering or HVAC design, you’ve likely encountered (Reference Fluid Properties). Developed by the National Institute of Standards and Technology (NIST), it is the gold standard for calculating the thermophysical properties of fluids.
, nitrogen, oxygen, methane, propane, helium, hydrogen, and dodecane. Limitations refprop 91 free
If you require the full capabilities of the software, you must purchase a license: If you’ve ever worked in chemical engineering or
: It includes properties for a restricted set of substances, typically water, CO2cap C cap O sub 2 R134acap R 134 a , nitrogen, methane, propane, hydrogen, and dodecane. refprop 91 free