head loss是什么意思

网络释义

用法例句

Effect of design parameters of adjustable head fall grid mixer on head loss;

可调式跌水网格混合器设计参数对水头损失的影响

Research on relationship between head loss in coal mixture slurry pipeline and ζ potential of coal particle;

煤浆管道水头损失与煤颗粒ζ电位关系的研究

Modification of formula of head loss for long-throated flume;

长喉槽水头损失公式的修正

Study on testing water head loss of water pipe by the high - precision pressure difference test meter;

高精度压差测量仪测试给水管道水头损失研究

Starting from the design scenario of solid sucker rod and application technology of hollow ones, one set of calculation equation for force withstood and water head loss has been established incorporating site experimental situations.

笔者从实心抽油杆柱的设计思路出发 ,依据有关的空心杆应用技术 ,结合现场试验情况 ,摸索出一套包括空心杆采油的受力计算公式和水头损失计算公式 ,并较为成功地应用到现场试验中。

At the same time,the measurement is made in some sections locating in the curve tube and fork tube and the experimental research on current resistant characteristic of fork tube is done by analyzing the water head loss.

结合江苏宜兴抽水蓄能电站尾水岔管试验研究任务,利用粒子图像测速(PIV)系统测量了岔管内的水流流态,同时在含弯道和岔管的试验段前后断面上量测压强差,通过水头损失分析,对尾水岔管的水流阻力特性进行了研究。

The different structure of the three-way pipe lead to the different local loss of head,it cause a great influence on operating costs of irrigation.

“三通”结构形式的不同会造成不同的局部水头损失,对灌溉运行费用影响很大,所以对三通结构进行优化,减小灌溉水头和局部水头损失有相当大的意义。

and which flow channel form has smaller local loss of head is discovered.

对比两种不同流道形式的三通管道内流动的特性,得出了两种三通管道湍流流动的计算结果和较小局部水头损失的流道形式。

All structures are classified by the computational methods of the loss of head.

大型输水渠道系统往往穿越大量过水建筑物,如何合理的确定这些建筑物的水头损失是渠道运行调度仿真计算中的一个关键问题。

This paper introduces formula total water headloss of MC media filter anddiscusses the parameters of design calculation of MC media filter through the experiment.

通过试验给出了莫莱石－堇石（莫－堇）滤池总水头损失计算公式，探付出了一系列设计计算多数。

fluid drag and head loss

水流阻力和水头损失

Experimental Research on the Head Loss of the Filter and the Adsorption Bed

过滤池和吸附床水头损失的实验研究

Head Loss Coefficients of Throttled Surge Tanks with the LinkingPipe;

有连接管的调压室水头损失系数研究

Discussion on friction head loss calculation for large diameter PCCP

大口径PCCP管道沿程水头损失计算探讨

Discussion on the calculation method of the frictional head loss in the water transportation and distribution pipe

输配水管道沿程水头损失计算方法探讨

Application in Dwelling Design and Construction for New Type Supply-drain Pipe Materials;

住宅建筑中新型管材性能和水头损失的应用研究

Head loss and relation are included in the models, which greatly improves utility and reasonability of these models.

模型中考虑上下游电站间水头联系,计及水头损失,增强了调度模型的实用性和合理性。

Observing wash degree, bulging ratio and distributing of filtrating material. Measure turbidity of filtrate and reduction of hydraulic pressure.

观察反冲洗膨胀率、洗强度及滤层分布情况。测定滤后水浊度及水头损失。

Chiu and Seman(1971)studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion.

邱和思门（1971）研究了在圆管和方形管中输沙时具有螺旋运动的水流的水头损失问题。

loss of head due to entrance

管进口段的压头损失

loss of head due to pipe fitting

管道配件的压头损失

head of fluid frictinal loss

流体摩擦阻力损失压头

resistance head

阻力压头(用压头表示的阻力损失)

THE ASSESSMENT ON ECONOMIC AND ECO-VALUE LOSS OF SOIL AND WATER LOSS IN SHANDONG PROVINCE;

山东省水土流失经济损失与生态价值损失评估

fresh andor rain water damage

淡水和雨淋损淡水和或雨淋损失

The worst result of a storm was the illness it caused.

最大的损失是被雨水激

Economical Cost Evaluation of Ecological Environment Degradation in China

中国水土流失经济损失的货币化评价

The virtual treatment cost was 788 million Yuan, amounting to 74.7% of the total pollution.

水环境污染损失为7.88亿元，占总污染损失的74.7％。