Implementation of the chemical equilibrium algorithm presented by GORDON and McBRIDE in the NASA report RP-1311.
This is a C# port of the calculation portion of cpropep written by Antoine Lefebvre and Mark Pinese available here:
http://prdownloads.sourceforge.net/rocketworkbench/cpropep-src-1.0.tar.gz
The algorithims implemented are described here: https://ntrs.nasa.gov/api/citations/19950013764/downloads/19950013764.pdf
This document decribes the operation of CEA, the program that cpropep was based.