curved pipe jacking 曲线顶管
curved pipe-jacking 曲线顶管
curved pipe flowmeter 弯管流量计
main steam curved pipe 主蒸汽弯管
Curved pipes are widely used in pipeline for changing the flowing direction. Compared with other parts of pipeline, the curved pipe may cause defects more easily, which brings problems to the safety of the pipeline.
管道弯头在工业管道中起到改变介质传输方向的作用,比管道其他部分更容易产生缺陷,严重威胁管道传输安全性。
参考来源 - 管道弯头磁性检测方法与便携式仪器Comparing with the flow in laminar state, this region is rather small. When the fluid flows in a planar curved pipe with rectangular cross-section and the aspect ration is smaller than a certain value, the flow will become instability.
在方截面弯管的湍流流动中，当宽高比小于某个值时，流动会出现不稳定现象，此时截面外弯侧会出现一对额外的二次涡。
参考来源 - 旋转曲线管道内湍流流动结构和传热特性研究·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
Loopy curved pipe was better than single curved pipe to profiles of particle concentration phase separation.
多圈螺旋管能够达到比单圈螺旋管更好的有利于分离的颗粒相浓度分布。
Because of the advantages and application fields, curved pipe jacking technology is paid more and more attention.
曲线顶管施工技术以其特有的优势和应用领域，越来越受到重视。
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