John/generic gas#1668

Draft

johnmoore4 wants to merge 4 commits intomainfrom

john/genericGas

Commits on Nov 26, 2025

Implement NASA polynomial Coefficients
John Moore
committed

Commits on Dec 2, 2025

adding NASA coefficients to __init__.py
John Moore
committed

Commits on Dec 19, 2025

switched from 7 to 9 coefficent polynomal fit for TPG
John Moore
committed

Commits on Jan 15, 2026

added ThermallyPerfectGas model and NASA9CoefficentPolynomials
John Moore
committed