The reverse flow region is observable near the pipe wall.
管壁附近存在明显的回流再附区;
The target is mounted on a support passing through the pipe wall.
标板装在穿过管壁的支撑上。
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。
Furthermore, the nearer to the pipe wall, the faster the temperature decreases.
越靠近管壁,温度降低幅度越大。
Liquid velocity is near zero at the pipe wall and increases to maximum at the pipe center.
在管壁处液体速度近似为零,并在管中心处达到最大。
The pipe wall holds the universal joint, and closes end of the tube close to the universal joint.
管壁,其保持上述卷材用万向接头,并且封闭上述管的靠上述卷材用万向接头的一侧;
Pipe wall electrostatic effect is often produced in the pipe of air-solid phase pneumatic conveying.
气固两相流管道中常发生管壁静电效应。
By using computer to calculate, we find the fluid flush on the curved pipe wall is also oscillatory.
本文还通过计算机计算,得知流体对弯管两侧的冲刷力也是振荡的。
This paper introduces a new wall protection method for drilling loose strata casing pipe wall protection.
本文介绍一种新的钻探松散地层护壁方法——套管护壁“三板斧”。
The impact of powder particle flow of different R/D on the bend's pressure drop and pipe wall wear is also discussed.
并讨论了不同R/D的粉体颗粒流动对弯管压力降及管壁磨损的影响。
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。
Internal stress of welds seam for long distance pipeline is analyzed starting with any point of circumferential stress on pipe wall.
从钢管壁上任意一点的环向应力入手,分析了长输管道焊缝的内应力。
Pipe wall smooth formation, no bubbles, nicks and obvious scar patterns Depression, color and uneven discoloration decomposition line.
管材外壁光滑、平整、无气泡、裂口和明显痕纹凹陷、色泽不均及分解变色线。
The interaction between multiphase liquid in boundary layer within pipe wall and the damage of protective erodent products film is analyzed.
针对异径管的冲蚀失效问题,以管壁腐蚀产物保护膜为研究对象,主要研究流固耦合对管道冲蚀破坏的作用机理。
The liquid in the center of the pipe starts flowing first, and as velocity increases liquid near the pipe wall moves also but at a lower rate.
在管子中心部分的液体首先开始流动,随速度增加贴近管壁的液体也开始流动,但流速较低。
This is a reversal thinking operation concept against the pipe drilling method of casing pipe wall protection described in conventional books.
本方法与书本上所述的套管护壁跟管钻进方法有反向思维操作概念。
Rifled or other pipe wall corrugation may change the flow from a hetero-generous to a homogeneous regime by introducing a secondary circulation.
在有来复线的或其它的管壁皱纹的管中,由于引起副流,可能将非均质流转变为均质流。
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。
Simulation computation indicates that enhancement by micro-convection has identical magnitude as that by apparent conductivity of fluid in the pipe wall.
模拟计算表明,由微对流导致的对流换热强化与流体在管壁面上的表观导热系数强化具有相同的数量。
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。
After the motion process of string bead was analysed, motion equation of all partles in the string bead wire was established when string bead impact pipe wall.
在分析了切割单层管道时串珠的运动过程后,建立了串珠与管壁冲击瞬间串珠绳内部各质点的运动方程。
Especially, the key techniques, i. e. lead connection at connector, lead insulation on pipe wall, and sealing reliability are analyzed and studied, and also the t...
重点对其关键技术即接头处导线连接方式和管壁中导线的绝缘、密封可靠性进行分析研究,提出了开发有线钻杆传输系统的思路和建议。
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 front end of the nip of the gauge head pliers is an oblique blade which can hang the pipe wall port of the cable connection clamp for measuring the holding force.
表头钳钳口的前端是一个斜刃,可挂住电缆接线卡的管壁端口,以测量其握裹力。
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。
But stainless steel tube outer wall and the outer wall of the copper pipe which pipe bead setting more is still unclear, but can say two pipe wall mostly film condensation.
但不锈钢管外壁和铜管外壁哪种管材的珠状凝结更多尚不清楚,但可以说两种管材外壁大部份是膜状凝结。
A novel water pipe, comprising a pipe wall and a tubular body with a pipe cavity, wherein the upper edge of the pipe wall (1) is axially provided with at least one groove (2).
一种新型水管,包括管壁和具有管内腔的管状体,其特征在于,所述的管壁(1)上沿轴向设有至少一条凹陷槽(2)。
Apply to the hull and ballast water warehouses, piers steel piles, mines steel supports, water pipes, and the mining industry cooling water pipe wall with anti-corrosion coating.
适用于船底、载水仓、头钢桩、井钢铁支架、来水管道,以及工矿企业冷却水管道的外壁防腐蚀涂装用。
Due to different conditions, such as pipeline material, environment, load bearing, different cracks arise in the pipe wall or welding seam, which will lead to oil or gas leakage.
由于管道的材质、所处的环境以及承受荷载等条件不同,在管壁或焊接部位会出现不同程度的裂纹,从而导致管道破裂产生油气泄漏。
The article presents a measurement method of intensity and position for LIA beams. By monitoring the image current on the inner pipe wall the beam intensity and position are obtained.
本文介绍了通过测量束流在输运管壁上形成的感应电流,来确定直线感应加速器束流大小、位置的一种方法。
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