Compressibility Factor
Compressibility factor, abbreviated as z, a dimensionless number, also called compression factor or gas deviation factor, corrects for deviation from the ideal gas law to account for the real gases behavior.
compressibility factor formula |
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\(\large{ Z = \frac{p \; V}{n \; R \; T} }\) | ||
Symbol | English | Metric |
\(\large{ Z }\) = compressibility factor | \(\large{ dimensionless }\) | |
\(\large{ n }\) = number of moles | \(\large{ dimensionless }\) | |
\(\large{ p }\) = pressure | \(\large{\frac{lbf}{in^2}}\) | \(\large{Pa}\) |
\(\large{ R }\) = specific gas constant | \(\large{\frac{lbf-ft}{lbm-R}}\) | \(\large{\frac{J}{kg-K}}\) |
\(\large{ T }\) = temperature | \(\large{F}\) | \(\large{K}\) |
\(\large{ V }\) = volume | \(\large{ft^3}\) | \(\large{m^3}\) |