管壳式换热器设计计算软件

对数平均温差(LMTD)12.219.84℃预定换热器型式2管程1壳程修正后对数平均温差P49.00M四、总传热系数计算1/U0.00五、列管换热器结构参数参数名称符号数据单位工况选择外壳直径Ds0.50m流向形式列管数nt500.00根列管外径Do0.03m换热器型式列管内径Di0.02m列管长度L5.88m高温流体走管内管间距s0.03m列管排列方式1.00交错排列挡板间距B0.28m直线排列列管材质及导热系数kt17.00W/(m)(K)计算换热面积929.07m2设计换热面积230.79m2换热裕度%六、校核计算管程流通面积0.17m2流通面积质量流量103.98kg/s/(m2)质量流量雷诺数2599.45/雷诺数hi/(Cp.G)(Re>8,000)0.00/Re>200Khi/(Cp.G)hi/(Cp.G)(Re<2,100)0.00/Re=300~200Khi/(Cp.G)hi/(Cp.G)Re=2,100-8,0000.00/Re<300hi/(Cp.G)预定雷诺数382.85W/(m2)/K预定雷诺数校正因子F1管壁传热系数校正因子Fr管壁传热系数6800.00W/(m2)/K修正hi4数据单位壳程液体80.00℃39.00℃39000.00Kg/hr59.50℃4.18KJ/kg.C4935.88kw0.90cP1000.00kg/m30.50W/(m)(K)0.90cP1158.38W/(m)(K)16.70℃9.84℃16.70℃41.44382.86W/(m2)/K2.002.00Y并流逆流单管程单壳程双管程单壳程698.28壳程0.03m2353.74kg/s/(m2)9826.15/0.00/0.00/0.00/3668.40W/(m2)/K0.73/1.00/2664.39W/(m2)/Kma0.300.170.370.270.641.31