组分名称甲烷(CH4)乙烷(C2H6)丙烷(C3H8)丁烷(C4H10)0.93320.0002式中:R=8.314510J.mol-1.K-1T=20+273.15=293.15K1吨LNG的气化率:m314138136.01137.27六、沃泊指数计算(20oC,101.325KPa)50.777MJ/m384.94119.66110.473戊烷(C5H12)苯(C6H6)式中:Mair=28.9626Kg/KmolZair(20oC,101.325KPa)=0.99963600.96820.17800.9450.23572.150.58500.99970.0177二氧化碳(CO2)9合计1.00000天然气物性计算一.我公司液化天然气气化后的组分0.0640.9920.08912高位热值MJ/m3高位热值MJ/m3体积含量摩尔质量(Kg/Kmol)16.04330.0744.09758.123本方法按GB/T11062-1998《天然气发热量、密度、相对密度和沃泊指数的计算》计算,所有公式及参数均采用该标准。0.98340.129序号Z4500.9360.2530033.3670.0002064.9159.39131.760.99810.04437.044摩尔分数0.932820.06437147.04b1/292.2920oC,101.325KPa0.002600.99440.0026178.11444.0128.0135MJ/m30四.天然气相对密度计算0.99782氮(N2)二.天然气的压缩因子计算三.天然气密度计算0.073Kg/m30.7075五、高地位热值计算(体积发热量,20oC,101.325KPa)高位热值低位热值38.83735.042MJ/m3211)325.101,20(NijjmixbxKPaCZ)325.101,20()325.101,20()325.101,20(1KPaCZKPaCZMMxKPaCdOmixOairNjairJjO)325.101,20(/)325.101()325.101,20(1KPaCZMxTRKPaCOmixnijjOmixNjjjZHxH1~~)325.101,20(0~KPaCdHW