保温管道散热损失计算

ttaλ管道外径保温厚度 D0200100.04418501002.05管线长度:1000m总散热损失：494kw比热容/潜热 2200kJ/kg液体蒸汽液体蒸汽00.00061120.00100022206.154-0.052500.510.010.00061170.00100021206.01202500.5310.00065710.00100018192.4644.182502.3520.00070590.00100013179.7878.392504.1930.0007580.00100009168.04112.612506.0340.00081350.00100008157.15116.822507.8750.00087250.00100008147.04821.022509.7160.00093520.0010001137.6725.222511.5570.00100190.00100014128.96129.422513.3980.00107280.00100019120.86833.622515.23饱和气体按温度排列温度℃压力Mpa比容m3/kg比焓kJ/kgDi:隔热层内直径，mα:隔热层外表面向大气的放热系数，W/m℃单位长度散热损失 W/m管线蒸汽损失 kg圆筒面保温后的散热损失(岩棉)Q:散热损失 W/mt:介质(设备或管道的外表面)温度 ℃ta:环境温度 ℃λ:隔热层材料制品的导热系数，W/m℃D0:隔热层外直径，m002ln1)(2DDiDttQa90 .0 0 1 1 4 80 .0 0 1 0 0 0 2 61 1 3 .3 4 23 7 .8 12 5 1 7 .0 61 00 .0 0 1 2 2 7 90 .0 0 1 0 0 0 3 41 0 6 .3 4 14 22 5 1 8 .91 10 .0 0 1 3 1 2 60 .0 0 1 0 0 0 4 39 9 .8 2 54 6 .1 92 5 2 0 .7 41 20 .0 0 1 4 0 2 50 .0 0 1 0 0 0 5 49 3 .7 5 65 0 .3 82 5 2 2 .5 71 30 .0 0 1 4 9 7 70 .0 0 1 0 0 0 6 68 8 .1 0 15 4 .5 72 5 2 4 .4 11 40 .0 0 1 5 9 8 50 .0 0 1 0 0 0 88 2 .8 2 85 8 .7 62 5 2 6 .2 41 50 .0 0 1 7 0 5 30 .0 0 1 0 0 0 9 47 7 .9 16 2 .9 52 5 2 8 .0 71 60 .0 0 1 8 1 8 30 .0 0 1 0 0 1 17 3 .3 26 7 .1 32 5 2 9 .91 70 .0 0 1 9 3 7 70 .0 0 1 0 0 1 2 76 9 .0 3 47 1 .3 22 5 3 1 .7 21 80 .0 0 2 0 6 40 .0 0 1 0 0 1 4 56 5 .0 2 97 5 .52 5 3 3 .5 51 90 .0 0 2 1 9 7 50 .0 0 1 0 0 1 6 56 1 .2 8 77 9 .6 82 5 3 5 .3 72 00 .0 0 2 3 3 8 50 .0 0 1 0 0 1 8 55 7 .7 8 68 3 .8 62 5 3 7 .22 10 .0 0 2 4 8 7 30 .0 0 1 0 0 2 0 65 4 .5 1 18 8 .0 ...