The computation for the processing head loss of water diversion in the pressure pipe is related to that whether or not the project can reach the designed flowrate or the project can operate safely.
有压管道输水的沿程水头损失计算，关系到工程能否达到设计输水流量和能否安全运行。
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。
Ulteriorly, considering the local head loss in inlet opening and pipes junction plays more important role in the calculative results of water hammer pressure calculation of the short pipeline system.
考虑进口及多管道连接处的局部水头损失对短管道系统水击压强的计算结果影响较大。
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。
Actually, in the tube engineering, the proportion of the loss of local water head in the loss of pipeline water head is big.
在实际管道工程中，阀门阀道的局部水头损失占管路水头损失的比例是相当大的。
An engine cylinder head gasket leaking between a cylinder and an adjacent water jacket is indicated by coolant foaming or overheating and loss of coolant.
在一个汽缸和相邻的水套之间的引擎汽缸头套环泄漏的标志是冷却液冷却液产生泡沫或者过热，并且冷却液流失。
Its shortcomings include harsh restriction for suspended solid in influent, low phosphorus removal efficiency, high water-head loss and the height of lifting sewage.
但同时也存在对进水悬浮物要求较高，磷去除率低，水头损失大，污水提升高度大等问题。
It is an effective method for improving test precision that the water head loss tests of hydropower station inlet section are performed by increasing discharge or raising reservoir water level.
同时采用加大流量法和提高库水位进行进水口段的水力损失试验，对提高试验精度是一个行之有效的方法。
This paper presents a nonuniform slap door, whose top hinge refrains from impact when the door is opened and the head loss of the water is zero when the door running steady.
本文提出一种新的非均质拍门，可使拍门在启门时顶铰免受冲力，在稳定运行时拍门水头损失为零。
And coefficient of local loss-of-head of the water valve is 2.08. This optimum method is suitable for optimization parameter design of other parts in waterway system.
室内样机试验测得的水阀局部水头损失系数为2.08。该方法适用于水路系统其他部件参数的优化设计。
The main purpose of the experimental study on the water fow in the transition region of an aqueduct is to find out the local coefficient of head loss in the region.
渡槽渐变段水力学试验的基本目的，是测定渐变段的局部水头损失系数。
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。
The airfoil-shaped measuring flume water head loss isn't higher, and the water head losing has 14% of the total head of water.
机翼形量水槽的水头损失不大，水头损失约占上游总水头的14%左右。
The airfoil-shaped measuring flume water head loss isn't higher, and the water head losing has 14% of the total head of water.
机翼形量水槽的水头损失不大，水头损失约占上游总水头的14%左右。
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