Experimental study of the hydraulic jump phenomenon induced by the downstream riser structure in a pipeline-riser system

被引：22

作者：

Chang, Yingjie ^{[1
]}

Xu, Qiang ^{[1
]}

Wu, Quanhong ^{[1
]}

Zhao, Xiangyuan ^{[1
]}

Huang, Bo ^{[1
]}

Wang, Yechun ^{[1
]}

Guo, Liejin ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Multiphase Flow Power Engn, Xian 710049, Peoples R China

来源：

CHEMICAL ENGINEERING SCIENCE | 2022年 / 256卷

关键词：

Two-phase flow; Hydraulic jump; Transition boundary; Pipeline-riser system; Electrical capacitance volume tomography; GLOBAL FLOW REGIME; SLUG FLOW; LONG PIPELINE; GAS/LIQUID FLOW; FREQUENCY; LENGTH; OIL;

D O I：

10.1016/j.ces.2022.117687

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This paper describes experiments conducted on the gas-liquid two-phase flow characteristics in a pipeline-riser system under 1 MPa. The hydraulic jump phenomenon (HJP) in the upstream horizontal section was quantitatively studied using electrical capacitance volume tomography (ECVT). Flow regime transition boundaries were shifted to lower gas and liquid velocities due to the impact of the riser at the end of the horizontal pipe. The HJP's period is consistent with that of severe slugging flow; additionally, the liquid slug production and the gas-liquid eruption stages always occur before the HJP in the upstream horizontal section. The Pearson correlation coefficient between the HJP upstream and the pressure fluctuations in the three main structures (horizontal, downward, and riser sections), the period consistency, and the sequential relationship between them were analyzed to verify that the pressure fluctuations in the downstream riser were the main cause of the HJP upstream.(c) 2022 Elsevier Ltd. All rights reserved.

引用

页数：15

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