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1)  influencing length
管段流态
2)  pipe flow
管段流量
1.
Studies the uncertainty of pipe flow and node pressure resulting from the uncertainty of pipeline impedance by means of the first order Taylor expansion.
利用一阶Taylor展开的方法分析了由于管道阻抗的不确定性所导致的热网中管段流量和节点压力的不确定性问题。
2.
A new arithmetic for hydraulic computation of water distribution network,in which the two kinds of the basic equations are treated respectively and the node head and pipe flow are adjusted synchronously,is put forward in this paper.
提出一种对两类配水管网基础方程分别处理,管段流量和节点水压同步校正的管网平差方法。
3)  pipe flow pattern
管流流态
4)  subsea pipeline slug flow
海管段塞流
1.
the measure to stabilize the process flow of the fuel gas compressor on CEP platform has been found out,which effectively solves the influence of the subsea pipeline slug flow on the fuel gas compressor.
通过对SZ36-1油田Ⅱ期总产气量的调查和分析,确定了稳定CEP平台伴生气压缩机流程的措施,有效地解决了海管段塞流对伴生气压缩机流程的影响,为油田开采中后期稳定伴生气流程提供参考。
5)  turbulent flows of bifurcation pipes
岔管段紊流
6)  convection tube
对流段炉管
1.
A large amount of soot accumulated on the external surface of convection tube surface in the CDU furnace in CNPC Urumqi Petrochemical Company after long-term operation,which greatly reduced the heat transfer efficiency of the convection tubes.
中国石油天然气股份有限公司乌鲁木齐石化分公司常减压装置加热炉在长期运行后其对流段炉管外表面积聚了大量的污垢,大大降低了对流段炉管的传热性能。
补充资料:超流湍流态(superfluidturbulentstates)
超流湍流态(superfluidturbulentstates)

液HeⅡ中流速超过临界值vc时,有附加阻力存在,出现耗散流,非线性效应明显。例如有温度差时,在热流不大的线性范围,热流正比于温度梯度`\nablaT`,但流速超过vc后,热流即减小,它正比于$(\nablaT)^{1//3}$。这类耗散现象称超流湍流,所处的这种状态称超流湍流态,它可视为由大量涡旋线的存在而发生的。

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