Redlich-Kwong PVT equation

Input(s)

R: Gas Constant (BTU/mol K psi)

\(\mathrm{T}\): Temperature \((\mathrm{K})\)

\(\mathrm{V}\): Volume \(\left(\mathrm{ft}^{3}\right)\)

a: Correlation Constant (dimensionless)

b: Correlation Constant (dimensionless)

Output(s)

P: Pressure (psi)

Formula(s)

\[ \mathrm{P}=\frac{\mathrm{R} * \mathrm{~T}}{\mathrm{~V}-\mathrm{b}}-\frac{\mathrm{a}}{\left(\mathrm{T}^{0.5}\right) * \mathrm{~V} *(\mathrm{~V}+\mathrm{b})} \]

Reference(s)

John M. Campbell, Gas Conditioning and Processing, Campbell Petroleum Series, Oklahoma, 1992, Vol. 1, Page: 48.


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