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。
Now lets place some secondary shapes, rings around the pipe.
现在放些二级形，环绕管子的圆环。
The inner stresses of the tubes and pipe arrangement stresses are the secondary cause, which accelerated the explosion procedure.
管子内压应力与管系应力加速了爆漏过程，是造成过热器管撕裂爆口的次要原因。
The source of pipe line secondary stress check condition is the stability condition.
管道二次应力校核条件来源于结构的安定性条件。
In stress analysis of petrochemical pipe line, the secondary stress check is the one of basic strength check.
石化管道应力分析中，二次应力的校核是最基本的强度校核之一。
The property of the hybrid active silencer relies on the equivalent impedance at the secondary sound source position and the impedance distribution characteristics of the one-chamber pipe itself.
研究结果表明，复合有源消声器的消声效果取决于次级扬声器位置的等效声阻抗以及无源式消声管道本身的阻抗分布特性。
The investigations show that the secondary maintenance for steel pipe piles by the methods of underwater coating and drainage covering ia an effective measures.
研究表明，采用水下涂料和排水护套法对钢管桩进行二次维护是行之可效的。
Numerical calculations for sudden expansion pipe flow have shown that the secondary pressure correction method can clearly accelerate convergence, improve accuracy and save C. P. U time.
对突扩管道流动的数值表明，该方法可以明显地加快收敛速度，提高计算精度和节省计算机时。
For co-rotation and counter-rotation in which the centrifugal force dominates the flow, the secondary flow in a rotating helical pipe has the same direction with that in a stationary one.
对于正旋转和离心力占优的负旋转，二次流速度的方向和静止的情况相同；
The hydraulic calculation of perforated outlet pipe of secondary sedimentation thank has been presented in this paper.
主要介绍了二次沉淀池淹没式穿孔出水管的水力计算方法。
And that could be pipe breaks maybe in the secondary system, maybe a steam generator tube leak and so forth.
那可能是管道泄漏，可能是在次级系统中，可能一个蒸汽发生器的管道裂开了等等。
In pipe networks "growth ring" is an important factor to cause secondary pollution, so clearing the "growth rings" will help improve water quality and the capacity of pipes carrying water.
管网中的“生长环”是造成二次污染的重要原因，清除“生长环”有利于提高供水水质和管道通水能力。
Numerical calculations for sudden expansion pipe flow have shown that the secondary pressure correction method can clearly accelerate convergence, improve ac...
对突扩管道流动的数值表明，该方法可以明显地加快收敛速度，提高计算精度和节省计算机时。
Results show that the torsion of the pipe has turning and deforming effects on the secondary vortices.
结果表明管道挠率在二阶摄动解时对二次涡有偏转和扭曲效应。
Only by controlling fairly the hole spacing, secondary grouting time interval, number of secondary grouting and seal around grouting pipe can the...
要提高施工工艺水平，应掌握好布孔间距、复灌间隔时间、复灌次数及注浆管周围封堵等环节。
Only by controlling fairly the hole spacing, secondary grouting time interval, number of secondary grouting and seal around grouting pipe can the...
要提高施工工艺水平，应掌握好布孔间距、复灌间隔时间、复灌次数及注浆管周围封堵等环节。
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