管径/流速/流量对照表 管径(DN)20253240506580100125150200250300350400450500600 流量m3/h 0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 0.5 0.7 0.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.4 0.7 1.1 1.4 1...
管径、流速、流量对照表 管径/流速/流量对照表 管径单位：DN 管径流量流速 200.110.230.340.450.570.680.790.901.021.131.241.361.471.581.701.811.922.042.152.262.372.492.602.712.83210.120.250.370.500.620.750.871.001.121.251.371.501.621.751.871.992.122.242.372.492.622.742.872...
管径/流速/流量对照表 1.0mpa蒸汽流速40-50m/s DN15、DN25、DN50管径的截面积分别为: DN15:152*3.14/4=176.625平方毫米,合0.0177平方分米。 DN25:252*3.14/4=490.625平方毫米,合0.0491平方分米。 DN50:502*3.14/4=1962.5平方毫米,合0.1963平方分米。 设管道流速为V=4米/秒,即V=40分米/秒,且1升=1立方分米...
管径/流速/流量对照表 流量m3/h 0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 0.5 0.7 0.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.4 0.7 1.1 1.4 1.8 2.1 2.5 2.8 ...
管径/流速/流量对照表 流量m3/h 0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 0.5 0.7 0.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.4 0.7 1.1 1.4 1.8 2.1 2.5 2.8 ...
管径、流速、流量对照表 管径/流速/流量对照表 管径单位：DN 管径流量流速 200.110.230.340.450.570.680.790.901.021.131.241.361.471.581.701.811.922.042.152.262.372.492.602.712.83210.120.250.370.500.620.750.871.001.121.251.371.501.621.751.871.992.122.242.372.492.622.742.872...
管径/流速/流量对照表 已知流量、管材,如何求管径? 分两种情形: 1、水源水压末定,根据合理流速 V(或经济流速)确定管径 d: d=√[4q/(πV)] (根据计算数值,靠近选取标准管径) 2、已知管道长度及两端压差,确定管径 流量 q 不但与管内径 d 有关,还与单位长度管道的压力降落(压力坡度)i 有关, i=(P1-P2...
管径/流速/流量对照表 管径(DN)20253240506580100125150200250300350400450500600管径(DN)流量m3/h 0.4m/s 0.50.71.21.82.84.87.211.317.725.445.270.7101.8138.5181.0229.0282.7407.1 0.6m/s 0.71.11.72.74.27.210.917.026.538.267.9106.0152.7207.8271.4343.5424.1610.7 0.8m/s 0.91.42.33....
管径/流速/流量对照表 管径(DN)0.4m/s 202532405065801001251502002503003504004505006000.50.71.21.82.84.87.211.317.725.445.270.7101.8138.5181.0229.0282.7407.1 流量m3/h 0.6m/s 0.71.11.72.74.27.210.917.026.538.267.9106.0152.7207.8271.4343.5424.1610.7 0.8m/s 0.91.42.33.65.79.614...
管径/流速/流量对照表 管径(DN)20253240506580100125150200250300350400450500600 流量m3/h 0.4m/s0.6m/s0.8m/s1.0m/s1.2m/s1.4m/s1.6m/s1.8m/s2.0m/s2.2m/s2.4m/s2.6m/s2.8m/s3.0m/s 0.5 0.7 0.9 1.1 1.4 1.6 1.8 2.0 2.3 2.5 2.7 2.9 3.2 3.4 0.7 1.1 1.4 1...