上海置昆实业有限公司

上海置昆实业有限公司

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二手中央空调回收,废旧中央空调回收,二手中央空调设备回收,二手空调收购,旧空调回收

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二手中央空调回收,空调水管比摩阻限值速查表

发布时间:2016/05/25浏览次数:486

水管水力计算(5度温差)
编号负荷kW流量m^3/h管径管长mv(m/s)R(Pa/m)Py(Pa)ζPj(Pa)Py+Pj(Pa)
161.032212500.5091930000
2152.580523200.7262610000
3223.784764000.812690000
4457.741555000.9912840000
58514.62297001.1372680000
613022.36458001.2412560000
728048.169610001.5422750000
848082.576512501.7312640000
9800137.62815002.0342900000
101300223.64520002.0522190000
112000344.06925001.9491470000
123000516.10330001.9951220000
134200722.54535002.0391050000
145300908.571428640002.0094024871650000
1568001165.71428645002.037018314




168400144050002.038216561


























水管水力计算(10度温差)
编号负荷kW流量m^3/h管径管长mv(m/s)R(Pa/m)Py(Pa)ζPj(Pa)Py+Pj(Pa)
160.5162500.5091930000
2151.293200.7262610000
3221.8924000.812690000
4453.875000.9912840000
5857.317001.1372680000
613011.188001.2412560000
728024.0810001.5422750000
848041.2812501.7312640000
980068.815002.0342900000
101300111.820002.0522190000
11200017225001.9491470000
12300025830001.9951220000
134200361.235002.0391050000
145300908.571428640002.0094024871650000
1568001165.71428645002.037018314




168400144050002.038216561