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The **Reduced Properties** calculator provides access to several state variables of a fluid and includes the compressibility factor, providing as a set the basis for a theorem of corresponding states.

**Equations in the Reduced Properties Calculator:**

**Reduced Pressure**- the ratio of the measured actual pressure to the substance's critical pressure**Reduced Temperature**- the ratio of the measured actual temperature to the substance's critical temperature**Pseudo-reduced Specific Volume**- the ratio of the measured actual volume to the volume computed from the Ideal Gas Law**Compressibility Factor**- the ratio of the molar volume of a gas to the molar volume of an ideal gas at the same temperature and pressure

In thermodynamics, the **reduced properties** of a fluid are a set of state variables normalized by the fluid's state properties at its critical point. These dimensionless thermodynamic coordinates, taken together with a substance's compressibility factor, provide the basis for the simplest form of the theorem of corresponding states.^{[1]}

Reduced properties are also used to define the Pengâ€“Robinson equation of state, a model designed to provide reasonable accuracy near the critical point.^{[2]} They are also used to critical exponents, which describe the behavior of physical quantities near continuous phase transitions.^{[3]}

[1] Reduced properties

Source: Wikipedia

URL: https://en.wikipedia.org/wiki/Reduced_properties

Public License: CC Attribution-ShareAlike 4.0 International