Formula for calculating pipe diameter and lining thickness of pipelines with single lining.
单层衬里管道的管径及衬里厚度优化计算式。
The effects of corrosion rate, defect depth, thickness of pipe and operation pressure on pipeline reliability were investigated with this model.
利用这一模型，研究了腐蚀速率、缺陷深度、管道壁厚和工作压力等因素对管线可靠性的影响。
Thee invention relates to very precisely measuring changes in thickness of pipe walls to determine corrosion rate prior to any significant corrosion loss.
本发明涉及，在产生任何显着腐蚀损耗之前，非常精确地测量管壁厚度变化以确定腐蚀速率。
The connection strength increases with the increasing of bearizing rate of coupler and thickness of pipe wall, but decreases with the increasing of connection length.
管接头的连接强度随着扩孔率、管壁厚度的增加而升高，但随着连接长度的增大而降低；
The reason of thickness of pipe end increasing in tension reducing is analyzed. The principle and method of cutting end control (CEC) are introduced. The key problems are discussed.
分析了钢管在张力减径过程中产生管端增厚的原因，阐述了切头端控制(c.e.c)的原理、方法，并就其关键问题进行了探讨。
Unless otherwise specified, all Pacific valves will be supplied with butt weld ends conforming to ANSI B16.25 either Fig. 2(b) or 3(b) depending on the nominal pipe wall thickness of the valve wall.
除非另外指定，所有美国太平洋阀门都配置符合ANSI B16.25标准的对焊连接端口，并根据阀门壁厚和管道壁厚确定是属于型号2（b）或3（b）。
But for medium thickness pipe DWTT, it usually converse fraction of figure transforming much in break part, and make specimen failure.
但是中厚壁钢管DWTT试验经常产生解理断裂部分塑性变形大的逆向断口，使试样无效。
Pipe sinking drawing is analysed using continuous speed field and the equations of wall thickness variations in sinking drawing established.
利用连续速度场分析了圆管空拔过程，建立了空拔壁厚变化量计算式。
It shows that pipe bending by using induction heating applied a counter torque can efficiently reduce the thinning ratio of pipe wall thickness.
计算结果表明：在转臂上施加一定的反向弯矩，能有效减小弯管的壁厚减薄率。
The wall thickness of metal corrugated pipe is very thin, that is the weakest link in the piping system.
金属波纹管的壁厚很薄，它是管道系统中的薄弱环节。
Findings show that, for be in the wrong frozen soil wrought in favor of thermal disturbance, insulating layer thickness respond adopt dam insulating pipe hull skin temperature 'calculation procedure.
研究结果表明，为不对冻土造成较大热扰动，保温层厚度应采用控制保温管外表面温度的计算方法。
The simulation and practical results show that the titanium thin pipe of a uniform wall thickness, equal strength and light weight is achieved by using the above optimized parameters.
模拟和实际结果表明，采用上述参数可获得壁厚均匀，等强度，轻重量的薄壁钛环形管。
The thickness and breadth of the steel strip is determined according to different pipe diameter and ring stiffness class requirements.
加强钢带的厚度与宽度根据管材直径、环刚度要求不同而分别设计确定。
The adaptive feedforward control technology, which is implemented in the stretch reducing process of seamless pipe wall thickness at Baosteel Tubing Plant, is introduced.
介绍了宝钢分公司钢管厂在无缝钢管张减过程壁厚控制中实现的前馈自适应控制技术。
Online Flattener is main equipment of welded pipe unit, the property of Flattener is very important to ensure production of welded pipe with larger wall thickness going well.
焊管机组在线矫平机是焊管生产线的主要设备之一，为了确保高强度、大直径、厚壁焊管生产的顺利进行，矫平机的性能十分重要。
With the detection system and the probe set on a pipe machine car, pipe wall's thickness can be detected periodically by a method of dry couple.
检测系统及探头装配在管道机器车上，可对管壁的厚度进行定期检测。
A sensor which is applicable to test thickness of gas pipe wall based on electromagnetic flux leakage method is proposed.
提出了一种基于电磁式漏磁检测原理的传感器，用于煤气管道壁厚检测。
Researches show that the pipe wall thickness deflection occurred during the pipe manufacturing could influence the intensity of the casings to some extent.
研究表明在石油套管的生产过程中产生的壁厚误差会在一定程度上影响套管的强度。
The influences of two factors including thickness of scale of cooling water-pipe and air clearance exerting on temperature field of stave is discussed based on calculation.
同时根据计算结果讨论了冷却水管水垢厚度、气隙层厚度对高炉铸钢冷却壁温度场的影响。
In the case of suspected corrosion of heat exchangers and pipe wall thickness.
在怀疑有锈蚀的情况下对换热器及管道的壁厚进行检查。
In the evaluation of steel pipe quality, the pipe appearance, the weld appearance, the pipe wall thickness, the defect types and sizes, and the pipe materials are selected as the evaluation factors.
在钢管质量评价过程中，选取了钢管外观、焊缝外观、管道壁厚、缺陷种类及尺寸、管道材料作为评价因素集。
The results show that the flow field can be adjusted and the thickness of boundary layer can be decreased with the porous medium so the heat transfer can be enhanced in the pipe.
结果表明，可调节的流场和边界层的厚度，可降低与多孔介质的热传递，因此可以提高在管道中。
On the basis of the method of fuzzy synthetical evaluation, the evaluation model and evaluation method have been established for the optimal pipe thickness of long-distance PI...
在分析影响长输管道安全系数的基础上，利用模糊综合评判方法，建立了确定长输管道最佳壁厚安全系数的评价模型及评价方法，并进行了实例分析。
The prepared core pipe with 75mm to 360mm of inside diameter and 7mm to 30mm of wall thickness can replace various paper core pipes, thereby having a wide popularization and application prospect.
用其制备成的内径75～360毫米、壁厚7～30毫米的芯管，可以取代现有各种纸质芯管，具有广泛推广应用前景。
Notethe coating thickness of weld seam should be not less than 80% of coating thickness on pipe body.
焊缝处的防腐层厚度，不得低于管本体防腐层规定厚度的80%。
The simulation and practical results show that the titanium thin pipe of a uniform wall thickness, equal strength and lig...
模拟和实际结果表明，采用上述参数可获得壁厚均匀，等强度，轻重量的薄壁钛环形管。
The adopted thickness of steel pipe and the economic flow rate in it under different pressure and working conditions are described in this paper.
本文研究钢管的使用壁厚以及不同工作压力及使用状况下的经济流速。
After checking the pipe wall thickness, pipe stress and safety factors this batch of steel material has still complied with the requirements, while safety Surveillance should be enhanced.
通过管道壁厚、管道应力、安全系数的校核，表明该批钢材仍符合要求，但要加强安全监督。
By emitting ultrasound signals into the pipe walls and then analyzing the reflected signals, it's able to determine the thickness of the metal.
通过发射超声波信号进入管壁，然后分析反射信号，这是能够确定金属的厚度。
By emitting ultrasound signals into the pipe walls and then analyzing the reflected signals, it's able to determine the thickness of the metal.
通过发射超声波信号进入管壁，然后分析反射信号，这是能够确定金属的厚度。
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