Wolfram Demonstrations Project

13,000+ Open Interactive Demonstrations
Powered by Notebook Technology »

Compressibility Factors Using the Soave-Redlich-Kwong Equation of State

Initializing live version
Download to Desktop

Requires a Wolfram Notebook System

Interact on desktop, mobile and cloud with the free Wolfram Player or other Wolfram Language products.

The Soave–Redlich–Kwong equation of state can accurately describe a compound in both liquid and vapor phases. This Demonstration applies this equation of state to estimate and plot the compressibility factor, , versus reduced pressure, , for ethane at various values of the reduced temperature, .

Contributed by: Housam Binous (March 2011)
Open content licensed under CC BY-NC-SA

Snapshots

Details

In the Soave–Redlich–Kwong equation of state, the compressibility factor is a solution of the following cubic equation:

,

where and with , , , and . Here is the acentric factor, and are the critical temperature and pressure, and = is the reduced temperature.

For ethane, , , and .

For more information on the compressibility factor, see http://en.citizendium.org/wiki/Compressibility_factor.

Reference

[1] Z. Nasri and H. Binous, "Applications of the Soave-Redlich-Kwong Equation of State Using Mathematica," Journal of Chemical Engineering of Japan, 40(6), 2007 pp. 534–538.

Embed Code

Take advantage of the Wolfram Notebook Emebedder for the recommended user experience.

Related Demonstrations More by Author
Browse all topics
Feedback (field required)
Email (field required) Name
Occupation Organization
Note: Your message & contact information may be shared with the author of any specific Demonstration for which you give feedback.
Send