— Compressibility Factor (Peng–Robinson)
Compressibility factor Z of a pure fluid from the Peng–Robinson equation of state, solving the cubic Z³ − (1−B)Z² + (A − 3B² − 2B)Z − (AB − B² − B³) = 0 for the vapour and (where present) liquid roots.
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— Compressibility Factor (Peng–Robinson)
Compressibility factor Z of a pure fluid from the Peng–Robinson equation of state, solving the cubic Z³ − (1−B)Z² + (A − 3B² − 2B)Z − (AB − B² − B³) = 0 for the vapour and (where present) liquid roots.