High Quality Content by WIKIPEDIA articles! The compressibility factor (Z), also known as the compression factor, is a useful thermodynamic property for modifying the ideal gas law to account for the real gas behavior. Properties of Natural Gases]. Includes a chart of compressibility factors versus reduced pressure and reduced temperature In general, deviation from ideal behavior becomes more significant the closer a gas is to a phase change, the lower the temperature or the larger the pressure. Compressibility factor values are usually obtained by calculation from equations of state (EOS), such as the virial equation which take compound specific empirical constants as input. For a gas that is a mixture of two or more pure gases (air or natural gas, for example), a gas composition is required before compressibility can be calculated. Alternatively, the compressibility factor for specific gases can be read from generalized compressibility as a function of pressure at constant Данное...

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