标准编号：ISO 12213-2:2006
中文名称：天然气 压缩系数的计算 第2部分：运用分子组成分析的计算
英文名称：Natural gas — Calculation of compression factor — Part 2: Calculation using molar-composition analysis
发布日期：2006-11
标准范围
ISO 12213 specifies methods for the calculation of compression factors of natural gases, natural gases containing a synthitic admixture and similar mixtures at conditions under which the mixture can exist only as a gas. This part of ISO 12213 specifies a method for the calculation of compression factors when the detailed composition of the gas by mole fractions is known, together with the relevant pressures and temperatures. The method is applicable to pipiline quality gases within the ranges of pressure p and temperature T at which transmission and distribution operations normally take place, with an uncertainty of about 0,1％. It can be applied, with greater uncertainty, to wider range of gas composition, pressure and temperature (see Annex E). More detail concerning the scope and field of application of the method is given in ISO 12213-1.
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