S型柔性立管顶部节流对管内压力特性的影响

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S型柔性立管顶部节流对管内压力特性的影响

更新时间：2025-07-09

- S型柔性立管顶部节流对管内压力特性的影响
- Issue 10, Pages: 122-126(2011)
- 作者机构：
  
  1. 中海石油(中国)有限公司湛江分公司
  2. 西安交通大学动力工程多相流国家重点实验室
- 作者简介：
- 基金信息：
- DOI：
  CLC： O359
- Published：2011
- 稿件说明：
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[J]. 2011, (10): 122-126.
DOI：

[J]. 2011, (10): 122-126. DOI：

摘要

在集输-S型柔性立管系统中实验研究了阀门开度对管内压力特性的影响.实验环路由水平段、倾角为-2°的下倾段和S型柔性立管组成.环路内径为50 mm

水平段长114 m

下倾段长16m

柔性立管的垂直高度为15.3 m

全长24 m.实验发现

当阀门开度Z小于临界阀门开度Z

crtl

时

由于流型发生了转变

随着Z的减小

系统压力急剧升高

压力波动幅度和波动周期锐减

对于本实验系统

crtl

在27%～30%之间.提出了一个节流稳定性分析模型

该模型可以预测节流过程中管内的流型转变

预测结果与实验数据吻合良好.

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