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Flash Calculations using the Soave-Redlich-Kwong equation of state

version (6.45 KB) by Housam Binous
Perform flash calculations using SRK EOS


Updated 02 Sep 2007

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In the programs, we perform flash calculations of a mixture of hydrocarbons (ethane, propane, n-butane and n-pentane) using the Rachford-Rice equation. The phi-phi method, based on the SRK equation of state, is used to compute the equilibrium constants. We also find the True Vapor Pressure. All results are in agreement with those given by HYSYS 3.2 as well as the thesis of Privat from the Ecole Nationale Supérieure des Industries Chimiques de Nancy under the supervision of J-P Corriou.

A paper on the SRK EOS is available at these links:

Cite As

Housam Binous (2020). Flash Calculations using the Soave-Redlich-Kwong equation of state (, MATLAB Central File Exchange. Retrieved .

Comments and Ratings (16)

Hi, is it working for multi-component (more than 2) as well?

I do not understand how you can do all this calculation without using at any moment the gas constant R.

gang yue

thank you!

thank you so much friend
you simplified my work

Thank you

m s

nour djabri

peyman amirilarijani

mostafa mafi

If it is possible, please help me to code flash calcuation by peng robison EOS

fabian diaz

thank´s , i needed it

Ji-yeon Lee

Thank you^_^
you survive me~~~

mayesh kasavan

deeb deeb

no comment

easter prince

John D'Errico

No documentation on how to use this and what it produces. No reason for the requirement of the matlab compiler.


added link on the SRK EOS

MATLAB Release Compatibility
Created with R14SP1
Compatible with any release
Platform Compatibility
Windows macOS Linux