汇管计算管径300200200200500汇管截面积单管面积汇管直径0.070650.03140.03140.03140.001962500.16681260.86036氮气瓶计算管径1501001500060050060000单管面积长度0.017671460.007853980.01767146000.282743340.1963490.2827433400742024361003487100体积1.30768790.15707960.424115000.848230.78539822.261946700总体积总体积X2总体积X3总体积X45.784457511.561517.3533723.13783氮气瓶数氮气瓶数氮气瓶数2.3137833.4706744.627566（旋风）（过滤）（换热器）放散时间计算放散置换系放散开始时放散结束时放散开始放散结束管道的管管长L放散管管数密度ρ1时时径密度ρ2径dK（取2~3）2.528.60.7压力2000000压力0D426201082.244.660.76300000015080252.225.820.73600000015071050注：当管道长度大于500m,且管径大于等于DN250时，放散置换系数K可取2.5；其余取2.2.燃气密度计算气体常数R绝对温度摩尔质量绝度压力（kpa）（g/mol）(pa*m/mol*（K）410014301K)8.31429310117.050928.31429300178.3142933700178.314293摩尔质量计算组分摩尔质量16304448体积组分密度（kg/m³）24069.8080.70694.66334625.820997CH4C2H6C3H8n-C4H1093.8332.9070.4370.094混合摩尔质量15.0132817.050920.87210.192280.04512i-C4H10n-C5H12i-C5H12C6+N2CO2H2S487272862844180.0570.020.020.0511.9220.65900.027360.01440.01440.043860.538160.2960孔口系数n(0.5~0.7)0.70.70.7放散时间T(h)0.0011240.0063990.014413放散时间t(min)0.0674340.3839610.8806备注出口放散阀调压前放散调压站至燃机段
