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FluidProp online Calculator

By News

Have you ever tried the FluidProp online calculator? It is a demonstration of a small fraction of the features of FluidProp. You can calculate freely several thermodynamic properties as function of two other independent properties of various common fluids with this calculator. The considered thermodynamic properties are, for instance, pressure, temperature, density, enthalpy, entropy, and vapor quality.

The online calculator also works very well on smartphones and tablets.

FluidProp has much more features, such as other thermodynamic properties (isobaric and isochoric specific heat capacities, speed of sound), transport properties (dynamic viscosity, thermal conductivity, surface tension), partial derivatives, etc.

Also, more fluids are available in the basic version of FluidProp and in specific fluid add-on packages, e.g. Extended Fluid Set Add-on, Siloxanes Add-on, Hydrofluoroolefins Add-on, etc.  Both pure fluids and mixtures are available. Click here for an overview the available fluids.

FluidProp is very well suited to be linked to other software, like Microsoft Excel, Matlab, and Python. It can also be linked to your own developed software, almost regardless the programming language.

If sufficient interest the on-line calculator will be extended with other features of which FluidProp is capable.

You are welcome to give it a try,

please click here!

Online calculator

Hydrofluoroolefins package extended

By News

In recent years, new fluids with a low global warming potential have been developed. These fluids are called hydrofluoro- and hydrochlorofluoroolefins (HFO and HCFO’s, respectively) and are developed as foam blowing agents, fire distinguishers, and working fluids for refrigeration, air conditioning, and heat pump systems. Furthermore, they are also suited for low temperature organic Rankine system machinery.

Hydro(chloro)fluoroolefins are unsaturated organofluorine compounds composed of hydrogen, fluorine, (chlorine) and carbon atoms. Some of the new fluids are just different isomers of the already existing ones. The isomers can differ in the orientation of hydrogen atoms and the trifluoromethyl groups. Although the difference between the isomers is subtle, their thermodynamic properties differ significantly. For example, the normal boiling points of HFO-1336mzz-Z and HFO-1336mzz-E are 33.4 °C and 7.5 °C and the critical temperatures 171.4 °C and 130.2 °C, respectively. In this case, the difference in thermodynamic properties of these isomers is mainly due to the difference in the polarity of the two molecules; the trans-isomer has a dipole moment close to 0 and thus is hardly polar, while the cis-isomer has a dipole moment of 3.2 Debye, which is well above the threshold whereby polar forces become significant.

Now the Hydrofluoroolefins Add-on of FluidProp has been updated and extended with new fluids. The new fluid package consists of the following fluids:

FluidProp name IUPAC name CAS Nr. Chemical formula
HCFO-1224yd-Z cis-2,3,3,3-tetrafluoro- 1-chloro-1-propene 111512-60-8 (Z)CF3-CF=CHCl NEW!
HCFO-1233zd-E trans-1-chloro-3,3,3-trifluoro-1-propene 102687-65-0 (E)CF3-CH=CHCl
HCFO-1233zd-Z cis-1-chloro-3,3,3-trifluoro-1-propene 99728-16-2 CF3-CH=CHCl NEW!
HCFO-1233xf 2-chloro-3,3,3-fluoro-1-propene 2730-62-3 CF3-CCl=CH2 NEW!
HFO-1234yf 2,3,3,3-tetrafluoro-1-propene 754-12-1 CF3-CF=CH2
HFO-1234ze-Z cis-1,3,3,3-tetrafluoro-1-propene 29118-25-0 (Z)CF3-CH=CHF NEW!
HFO-1234ze-E trans-1,3,3,3-tetrafluoro-1-propene 29118-24-9 (E)CF3-CH=CHF
HFO-1243zf 3,3,3-trifluoropropene 677-21-4 CF3-CH=CH2
HFO-1336mzz-Z cis-1,1,1,4,4,4-hexafluoro-2-butene 692-49-9 (Z)CF3-CH=CH-CF3
HFO-1336mzz-E trans-1,1,1,4,4,4-hexafluoro-2-butene 66711-86-2 (E)CF3-CH=CH-CF3 NEW!

The hydro(chloro)fluoroolefines are available for the freeStanMix, StanMix, and PCP-SAFT thermodynamic models in FluidProp. A limited set of these fluids are also available in the RefProp 10 Add-on (see overview of fluids on the FluidProp page).