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Perfect gas

Density, ρ\rho [kg/m3^3]

ρ=pRT\rho = \frac{p}{R T}

Entropy, SS [J/kg/K ]

S=−Rln⁡(ppstd)S = -R \ln \left( \frac{p}{p_{\std}} \right)

Compressibility, ψ\psi [s2^2/m2^2]

ψ=1RT\psi = \frac{1}{R T}

Usage​

The perfectGas equation of state is specified as:

equationOfState
{
    // empty - no input needed
}

Further information​

Source code