1、天然氣高位發(fā)熱量和低位發(fā)熱量計(jì)算說(shuō)明氣體高位發(fā)熱量HSjkJ/mol摩爾分?jǐn)?shù)Xj摩爾分?jǐn)?shù)x發(fā)熱量HSjXjkJ/mol體積發(fā)熱用HSMJ/m3體積分?jǐn)?shù)Vj壓縮因子Cj體積分?jǐn)?shù)/壓縮因子Vj/CjCH4891.090.9512847.5837.5095.1490.99895.330127C2H61561.410.021934.162.17510.9922.1925403C3H82220.130.005011.130.4940.9830.5023388NC4H102878.570.00102.790.09444.9680.0970874IC4H102869.380.00082.360.0820.9

2、710.0823893NC5H103537.170.00020.860.0230.9450.0243386C5H103530.240.00031.030.0280.9530.0293809C6+4196.580.00052.230.0490.9190.0533188N200.01240.001.2460.9991.2463739CO200.00660.000.66270.9940.6657281Z1902.14100100.22362氣體低位發(fā)熱量HljkJ/mol摩爾分?jǐn)?shù)Xj摩爾分?jǐn)?shù)x發(fā)熱量HljXjkJ/mol體積發(fā)熱用HI3MJ/m3體積分?jǐn)?shù)Vj壓縮因子Cj體積分?jǐn)?shù)/壓縮因子Vj/CjC

3、H4802.65'0.9511763.4433.8295.1490.99895.330127C2H61428.740.021931.272.17510.9922.1925403C3H82043.230.005010.250.4940.9830.5023388NC4H102657.450.00102.580.09444.9680.0970874IC4H102648.260.00082.180.0820.9710.0823893NC5H103271.830.00020.800.0230.9450.0243386C5H103264.890.00030.960.0280.9530.029380

4、9C6+3887.010.00052.080.0490.9190.0533188N200.01240.001.2460.9991.2463739CO200.00660.000.6620.99440.6657281Z1813.57100才100.223621、計(jì)算混合物中第j種組分的“體積分?jǐn)?shù)/壓縮因子（V/Cj）”，“壓縮因子”的物理意義為實(shí)際氣體體積分?jǐn)?shù)與理想氣體體積分?jǐn)?shù)的差別，"體積分?jǐn)?shù)/壓縮因子（V/Cj）”就相當(dāng)于把實(shí)際氣體體積分?jǐn)?shù)折算成理想氣體體積分?jǐn)?shù)。2、計(jì)算混合物中第j種組分的“摩爾分?jǐn)?shù)X/Xj3、Cj1廠Vjzj=1計(jì)算1mol混合物中第j種組分的高位發(fā)熱量4、計(jì)算1

5、 mol混合物的高位發(fā)熱量。io'(HSj Xj)j 45、計(jì)算在P壓力、T溫度下的高位體積發(fā)熱量，計(jì)算公式HS 8.31451 T10、(HSj Xj)j 4MJ/m式中：8.31451為天然氣混合物的氣體常數(shù)R6計(jì)算在P壓力、T溫度下的低位體積發(fā)熱量，與高位體積發(fā)熱量相似，從步驟5,只不過(guò)把步驟3、4、5中的高位發(fā)熱量換成低位發(fā)熱量。1至9步驟性能計(jì)算中用到的是天然氣的低位發(fā)熱量，燃燒室的能量平衡關(guān)系公式為:-'L-nui(3.9)HSj次j式中:瞬焉-燃燒室的空氣摩爾流量- 壓氣機(jī)出口空氣焰- 燃燒室的燃料摩爾流量±-燃料的低位發(fā)熱量- 燃燒室的燃燒效率,一.*-燃?xì)馔钙竭M(jìn)口燃?xì)庋嫔鲜街腥剂系牡臀话l(fā)熱量Qi單位為MJ/k