pipe diameter

The tail pipe diameter ratio has great effect on the starting point and tendency of the correlation curve of the pressure drop ratio and fractional flow ratio;

尾管直径比对压降比和分流比关系曲线的起点和变化趋势影响较大；

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Steel pipe diameter, their impact is more significant.

钢管直径越大，这种影响就越显著。

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Calculation Of The Economic Pipe Diameter For Oil Transferring In Thermal State

热输油品经济管径的计算

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In addition, some users can pump into the pipe diameter, which head will have an appreciable effect.

此外，有部分用户还随意水泵进、出管的管径，这些对扬程也有一定的影响。

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The ball-to-pipe diameter ratio governs the handle turning angle at which the valve becomes closed.

圆管子直径比率控制阀门关闭的旋转角度。

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When the steel pipe diameter is bigger, the placing concrete extremely facilitated.

当钢管直径较大时, 浇注混凝土就极为方便了.

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The influences of pipe net spacing distance, pipe diameter, buried depth and soil's Poisson ratio on the distribution of superimposed load are discussed.

探讨了管道净间距、直径、埋深以及土体泊松比对附加荷载分布的影响。

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A Study on Super thin Pipe Diameter Arc Discharge Fluorescent Lamp at High Frequency Performance

超细管径高频工作弧光放电荧光灯的研究

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By setting up mechanical model, the relationship of curve radius, jacking force and effect factors such as pipe diameter, length of pipe section, thickness of wooden piece, elasticity of material and the difference of jack displacement is investigated.

通过建立力学模型对曲线路线半径R、顶推力P和影响因素如管径D、管节长L、木垫片厚a、材料弹性模量E以及工具管油缸行程差（b-c）等的关系进行推导。

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Through analysis and calculation of the effluent speed, pipe diameter, additional floating device and the sealed rotational connection, the floating weir can regulate a varied flow, even a wide variational flow, into an uniform and continuous flow.

通过对出水流速、管径、附加浮力装置及密封回转接头的计算及分析，使得自动浮动式水堰达到出水均匀、连续，且适用于较大范围的流量变化。

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The standing capacity of stave was improved by increasing the pipe diameter and decreasing gap width.

增加水管直径和减少气隙宽度可以改善冷却壁承受能力。

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The ratio of throat diameter and pipe diameter 0.4-0.6.

喉口直径和管道直径之比0.4-0.6。

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The Newton iteration method is used to solve the economic pressure on the unknown node, so as to calculate the economic head loss and economic pipe diameter of each section, and economic head of second-stage pump station.

采用牛顿迭代法来求解各未知节点的经济水压，进而得出各管段的经济水头损失、经济管径和水源二级泵站的经济扬程。

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You can choose Pipe diameter and Form as below.

您可以选择探头直径和外型如下图所示.

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Initial Pipe Diameter Selection with Initial Flow Distributed by Smallest Growing Groove Method

最小生成树丛法分配管网初始流量的管径初选

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Application of area array CCD on drill pipe diameter measurement

面阵CCD在钻杆直径测量中的应用研究

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The paper introduced the theory of piping transportation of the 1 500 deadweight ton bulk cement barge, and provided the numeration and selection method of main parameters, such as pipe diameter, wind pressure, flux, etc.

介绍了1500t散装水泥运输船的水泥管道输送原理，给出了该船上压缩空气管、流化空气管和水泥装卸管的管径、风压、流量等参数的计算和选用方法。

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Features: fully sealed, arbitrary curved telescopic, pipe diameter and length does not limit the size can be customized.

特点：完全密封，任意弯曲伸缩，管的直径和长度不限大小都可以定做。

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Through the simulation concluded that: hydraulic damping hole diameter, cone angle valve, column, liquid supply pipe diameter, top beam diameter and column stiffness on column uninstall impact significantly.

通过仿真得出：液控口阻尼孔直径、阀芯锥角、立柱直径、供液管路直径、顶梁及立柱刚度对立柱卸载冲击影响明显。

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Pump inlet pipe diameter changes when level, should choose eccentric different-diameter pipe.

泵的水平入口管变径时，应选用偏心异径管。

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Points out that using wire rope as main span wire is of great limitations in suspension crossing design and high-strength steel wire of parallel bunch as main span wire is imperative to large pipe diameter and large span suspension crossing engineering.

指出在悬索跨越设计中用钢丝绳作主索的局限性很大，而对大管径、大跨度悬索跨越工程采用高强钢丝平行束作为主索势在必行。

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Slug velocity of severe slugging in pipeline-riser system According to field experiments, slug flow parameters depend on pipe diameter, velocity and viscosity of gas or liquid phase and so on.

上升管系统中严重段塞流的液塞速度特性现场实践表明，段塞长度不仅与管径有关，而且还与气液相速度和气液相粘度等有关。

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The influence factors are analyzed on the measurement such as pipe diameter, length of casing crack and thickness, excitation frequency of emitting coil, casing magnetic conductivity and emitting coil eccentricity, etc. it provids a theoretic foundation for the quantitative interpretation of casing inspection.

文中对井径、裂缝长度与厚度、发射探头激励频率、套管磁导率、探头偏心等因素对测量结果的影响作了理论分析，为套管缺陷检测提供了定量解释理论依据。

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