水管摩擦阻力计算表.pdf

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1、空调水管推荐摩擦阻力计算表（R1，R2分别为绝对粗糙度K=0.2mm，K=0.5mm的比摩阻值）动压水流速公称管径DN（mm）L—流量（L/S）水流速公称管径DN（mm）L—流量（L/S）动压PdPdv参数R1，R2—每米长水管的摩擦阻力（Pa/m）v参数R1，R2—每米长水管的摩擦阻力（Pa/m）(Pa)(Pa)(m/s)DN15DN20DN25(m/s)DN150DN200DN250DN300KW0.62.33.6KW666126719842828L0.030.110.17L31.860.594.7135450.316171.8R11439569R123715

2、812096R218312086DN32R2295196147118DN350KW0.62.94.88.4KW1337209329754211L0.030.140.230.4L63.899.9142201800.418021.9R124416311182R117613310787R2319209150102DN40DN50R2218164131105DN400KW3.86.110.513.823.0KW14082200314344415468L0.180.290.50.661.1L67.21051502122611250.519962R12481801251017

3、5R11951481199684R232323115813193DN65R2241182145117103KW7.112.616.627.745.7KW14792305328946725740L0.340.60.791.322.18L70.61101572232741800.622012.1R125517614710677R121416213110593R233022518713295DN80R2266200160129113KW14.719.332.353.275.4KW15482430345749026013L0.70.921.542.543.6L73.911

4、61652342872450.724162.2R123719314210382R1235178143115102R2DN100304253179129102R2292219176141124KW13122.036.960.886.3KW2535360351126285L6.271.051.762.94.12L1211722443003190.826402.3R181256183133106R1194156126111R2101DN125328233167133R2240192154135KW14823041.568.397.0KW2640377153426557L

5、7.06111.983.264.63L1261802553134040.928752.4R110277230167134R1211170137121R212795293210167R2261209168147空调水管推荐摩擦阻力计算表（R1，R2分别为绝对粗糙度K=0.2mm，K=0.5mm的比摩阻值）动压水流速公称管径DN（mm）L—流量（L/S）水流速公称管径DN（mm）L—流量（L/S）动压PdPdv参数R1，R2—每米长水管的摩擦阻力（Pa/m）v参数R1，R2—每米长水管的摩擦阻力（Pa/m）(Pa)(Pa)(m/s)DN15DN20DN25(m/s)D

6、N150DN200DN250DN300KW16425876.0107.7KW2744391855526830L7.8412.33.635.14L131187265326499131192.5R112595205164R1229184149131R2156117DN150259206R2283226182160KW18128340683.6118.6KW2870408557827102L8.6213.519.43.995.66L1371952763397191.233742.6R115111490246197R1247199161141R21881411123132

7、48R2306245196173KW197308444129.3KW423260137374L9.4114.721.26.17L2022873528441.336392.7R1179135107233R1214173152R2224163132DN200295R2264212186KW214333480916KW440062227647L10.215.922.943.7L2102973659781.439132.8R120915712584R1230186164R2262196155103DN250R2284228200KW38555510561653KW4546

8、64537