...水力流量偏差率;灌水均匀度;毛管造价[gap=2139]Key words:emitters;manufacturing variation coefficient;hydraulic flow variation; uniformity coefficient;pipe cost ...
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Derives an equation set to reveal the influence of water flow variation on temperature of the heated room and permitted fluctuation of the hydraulic imbalance degree of pipeline.
推导出了水流量变化对供暖房间温度的影响以及管路水力失调度允许波动的取值范围，指出循环水量减小时对室温的影响较水量增加时为大。
The hydraulic calculation of the uniform flow is the most fundamental problem of the open channel and its variation law is the basis of the analysis in the open channel.
明渠均匀流是明渠水力计算中最基本的问题，对其水流运动基本规律的研究是明渠水流的基础理论和前提。
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