天然气长输管线流量计算
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户数进口压力管道规格长度流量压力降出口压力流速雷诺数摩阻系数503000DE635025138.22861.8 3.31113550.03502861.8DN50192570.92790.9 3.51116850.036302790.9DN50515.7582782.9 2.273640.039252782.9DN501013.4412.12770.8 1.8962850.04202770.8DN50811 6.72764.1 1.5451440.041152764.1DN50109 5.92758.2 1.2642090.043102758.2DN508 6.75 2.82755.40.9531570.04652755.4DN5010 4.8822753.40.6922830.05152753.4DN25 1.5 4.888.12745.3 2.6344760.04642745.3DN252 4.28.22737.1 2.2738520.04832737.1DN253 3.5392728.1 1.9132380.04922728.1DN253 2.75 5.82722.3 1.4825230.05212722.3DN2532 3.32719 1.08
18350.057总压降281-250
2469
户数进口压力管道规格长度流量压力降出口压力流速雷诺数摩阻系数503000DE635025138.22861.8 3.31113550.03502861.8DN50192570.92790.9 3.51116850.036302790.9DN50515.7582782.9 2.273640.039252782.9DN501013.4412.12770.8 1.8962850.04202770.8DN50811 6.72764.1 1.5451440.041152764.1DN50109 5.92758.2 1.2642090.043102758.2DN508 6.75 2.82755.40.9531570.04652755.4DN5010 4.8822753.40.6922830.05152753.4DN20 1.5 4.8828.92724.5 4.3957790.0464DN202 4.229.32695.2 3.7849750.0473DN203 3.5331.92663.3 3.1841830.0492DN203 2.7520.32643 2.4832600.0511DN203211.52631.5 1.8
23710.055
368.5-250
2381.5
灶前压力3、立管为DN25，双眼灶按同时全开计算：1、立管为DN25，双眼灶+8升热水器按工作系数计算：
管线最远端压降计算
灶前压力2、立管为DN20，双眼灶+8升热水器按工作系数计算：
管线最远端压降计算
总压降
户数进口压力管道规格长度流量压力降出口压力流速雷诺数摩阻系数503000DE635040315.52684.5 5.31181840.027502684.5DN501940170.22514.3 5.62187370.033302514.3DN5052417.32497 3.38112520.036252497DN50102024.72472.3 2.8193790.037202472.3DN5081613.22459.1 2.2575050.038152459.1DN5010129.82449.3 1.6956290.041102449.3DN5088 3.82445.5 1.1337530.04552445.5DN50104 1.42443.90.5618770.05452443.9DN25 1.54 5.62438.3 2.1636800.04842438.3DN252 3.252433.3 1.7329440.0532433.3DN253 2.4 4.52428.8 1.322080.05422428.8DN253 1.6 2.22426.60.8714720.0612426.6DN2530.80.72425.90.43
7360.07573.9-250
2175.9
户数进口压力管道规格长度流量压力降出口压力流速雷诺数摩阻系数503000DE635040315.52684.5 5.31181840.027502684.5DN501940170.22514.3 5.62187370.033302514.3DN5052417.32497 3.38112520.036252497DN50102024.72472.3 2.8193790.037202472.3DN5081613.22459.1 2.2575050.038152459.1DN5010129.82449.3 1.6956290.041102449.3DN5088 3.82445.5 1.1337530.04552445.5DN50104 1.42443.90.5618770.05452443.9DN20 1.5420.12423.8 3.6147510.04842423.8DN202 3.217.82406 2.8938020.0532406DN203 2.415.92390.1 2.1728520.05322390.1DN203 1.67.72382.4 1.4419010.5812382.4DN2030.8 2.32380.10.72
9510.07619.7-250
2130.1管线最远端压降计算
总压降灶前压力管线最远端压降计算
总压降灶前压力4、立管为DN25，双眼灶按同时全开计算：