...水头损失 程序 算法 二分法 [gap=2615]s: Auto-sprinkler pipe-net system for extinguishing fire; Hydraulic calculation; Loss of water head; Program; Method of calculation; Dichotomy ..
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The utility model has the advantages of high speed of filtering, small loss of water head, and generous content of dirt.
无密实核心。具有滤速高、水头损失小、含污量大的优点。
Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.
对于速度边界层提出了相似性解的解析结果，给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。
These phenomenon jeopardize the condition of the project seriously, and it is the main factor that influences the loss of local water head.
这些现象严重危害管道的工况，并且是影响阀道局部水头损失的主要因素。
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