常用管径计算数据公式

1、,名称,数据,单位,名称,数据,单位,管径,流速,:,3.1415926,:,3.1415926,输入u:,60,m/s,输入d:,100,mm,输入Vs:,60000,m3/h,输入Vs:,40,m3/h,计算d=,594.7 ,mm,计算u=,1.41 ,m/s,流量,管道材料重量,PI,3.1415926,外径：,89,mm,输入u:,60,m/s,壁厚：,3,mm,输入d:,300,mm,长度：,24,m,计算Vs：,15268.14 ,m3/h,密度：,7.94,t/m3,重量：,0.160 ,T,CS密度：,7.85,t/m3,SS密度：,7.94,t/m3,热量计算:,工况条件:

2、,输入数据,输出数据,冷介质,Ws1:,10.00 ,Kg/h,Q冷=,1604,KJ/h,显热法,Ws*C*(t2-t1),无相变,t1:,50.00 ,Q冷=,90,KJ/h,焓差法,Ws*(h2-h1),无要求,C冷:,4.01 ,KJ/Kg,Q冷=,1504,KJ/h,潜热法,Ws*C*(t2-t1)+W*r,有相变,t2:,10.00 ,Ws1=,10,Kg/h,显热法,h1:,10.00 ,J/Kg,Ws1=,10,Kg/h,焓差法,h2:,1.00 ,J/Kg,Ws1=,Kg/h,潜热法,r冷:,10.00 ,J/Kg,热介质,Ws2:,11.10 ,Kg/s,Q热=,1395.

3、27,KJ/h,显热法,Ws*C*(t2-t1),无相变,T1:,100.00 ,Q热=,222,KJ/h,焓差法,Ws*(h2-h1),无要求,C热:,4.19 ,KJ/Kg,Q热=,1384.17,KJ/h,潜热法,Ws*C*(t2-t1)+W*r,有相变,T2:,70.00 ,Ws2=,11.1,Kg/h,显热法,H1:,1.00 ,J/Kg,Ws2=,11.1,Kg/h,焓差法,H2:,21.00 ,J/Kg,Ws2=,Kg/h,潜热法,r热:,1.00 ,J/Kg,关风机排量计算,管道热伸长量计算,线胀系数:10-4cm/(m),G=0.06VnYrK,L=L(t2-t1),cm,T

4、,Q235A,20#,输入：,L：计算管长,m ,100,12.20 ,11.16 ,V=,：管道线胀系数,cm/(m),150,12.60 ,11.64 ,n=,t2：管内介质温度,158,12.66 ,11.72 ,Y=,t1：管道安装温度,200,13.00 ,12.12 ,r=,输入：,220,13.09 ,12.25 ,K=,t1=,0,230,13.14 ,12.32 ,G=0.06VnYrK,t2=,240,240,13.18 ,12.38 ,G=,0,t/h,=,13.18,250,13.23 ,12.45 ,V：关风机容积，升/转,L=,100,260,13.27 ,12.5

5、2 ,n：关风机转速，转/分,计算结果：,270,13.32 ,12.59 ,Y：关风机容积效率,L=,31.632,cm,280,13.36 ,12.65 ,颗粒状物料，Y=0.8,290,13.41 ,12.72 ,粉状物料，Y=0.50.6,300,13.45 ,12.78 ,r：物料密度，t/m3,310,12.89 ,K：修正系数，0.70.8,320,12.99 ,330,13.10 ,340,13.20 ,蒸发量计算,350,13.31 ,进料量:,10.00 ,T/h,已知,X进(w/w):,40.0%,X出(w/w):,70.0%,蒸发量,4.29 ,T/h,出料量:,5.71 ,T/h,蒸发量:,10.00 ,T/h,已知,X进(w/w):,40.0%,X出(w/w):,70.0%,进料量,23.33 ,T/h,出料量:,13.33 ,T/h,出料量:,15.00 ,T/h,已知,X进(w/w):,35.0%,X出(w/w):,70.0%,蒸发量:,15.00 ,T/h,进料量:,30.00 ,T/h,出料量:,15.00 ,T/h,已知,X出(w/w):,70.0%,蒸发量:,15.00 ,T/h,X进(w/w):,35.0%,泵轴功率计算,输入:,Q:,50,m3/h,H:,50,m,:,