@wikipedia
One of the cubic equations of real gas state defining the Compressibility factor
as a function of fluid pressure and fluid temperature :| LaTeX Math Block |
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| Z^3 - (1-B) \, Z^2 +(A-2B-3B^2) \, Z -(AB-B^2-B^3) = 0 |
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B=\frac{b \, p}{ R \, T}
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| LaTeX Math Block |
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a = | frac{R^2 | , T_c^2 | p | c | | b | | R \, T_c | p | c | | LaTeX Math Block |
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| \alpha = \left( 1 + \kappa \, (1-T_r^{0.5}) \right)^2
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| | LaTeX Math Block |
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| \kappa = 0.37464 + 1.54226 \, \omega -0.26992 \, \omega^2
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where
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Once compressibility Z-factor
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is known the fluid density can be calculated as:| LaTeX Math Block |
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\rho(p, T) = \frac{1}{Z(p,T)} \cdot \frac{M}{R} \cdot \frac{p}{T} |
where
See also
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Natural Science / Physics / Thermodynamics / Real Gas[ State of matter ] [ PVT ] [ Ideal Gas ] Equation of State / Real Gas EOS @model
[ Real Gas EOS @model ] [ Ideal Gas EOS @model ] ]
Reference
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