1) cross-over pipe
跨过管
2) cross-under pipe
跨接管，连通管，过桥管
4) cross-over tube
跨接管，连通管，过桥管，联焰管，交叉管
5) pipe span
管跨
1.
Flow field analysis on subsea pipe span with spoiler;
带阻流板海底管道管跨绕流流场分析
2.
Dealing with the problem of vortex induced vibration (VIV) of submarine pipe span with spoiler and focusing on the asymmetry of its lift coefficient, two new concepts are proposed: lift coefficient amplitude and lift coefficient additional value according to the special structure of spoiler.
管跨结构的涡激振动分析是海底管线疲劳分析和安全评价的重要环节。
6) pipeline span
管跨
1.
Regarding the pipeline span phenomena existed in oil and gas pipelines, this paper proposes a new thought of pipeline span locating based on the elastic wave detection in order to implement an early alert for pipeline span destruction.
针对油气管道中存在的管跨现象,为实现管跨破坏的早期预警,文章提出一种基于弹性波监测管跨的新思路。
2.
In view of the fatigue invalidation of submarine pipeline span caused by vortex-induced vibration, the reliability analysis method of nonlinear vortex-induced vibration invalidation of pipe]the span is proposed.
针对由涡激振动引发的海底管跨疲劳失效,提出管跨非线性涡激振动失效可靠性分析方法,引入波浪和海流对管跨的联合作用以及管跨所受轴力,并考虑管跨海底土壤支撑端的实际工况,建立了管跨段的垂向非线性振动方程及其边界条件,通过模态分析,求得振动方程的固有振型,并以此为基础,推导和建立方程解的关于时间域的微分方程组,运用时频分析方法,由波浪谱推得的波、流力谱作为振动方程的输入谱,计算得到相应的输出谱,进而确定位移和应变等各种响应随机过程的概率分布,结合可靠性理论确定管跨的疲劳失效概率,最后,通过实例的计算与分析,确定几个重要参数对管跨疲劳失效的影响程度。
3.
A method is established of determining fuzzy natural the frequency of submarine pipeline span, based on the fuzzy reasoning principle.
根据管跨端点支撑土壤的变形特性 ,提出了研究管跨振动特性的力学模型 ;探讨了端点支撑的弹性系数和阻尼系数的模糊性 。
补充资料：跨轹
1.见"跨跞"。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条