To ensure the flow safety of the offshore gathering pipeline system, it is critical to study the large-scale pressure wave propagation behavior and predict the two-phase pressure drop in the subsea pipeline. In this paper, the local flow structure, pressure wave propagation characteristics, and two-phase pressure drop of the horizontal pipeline are obtained in a long-distance pipeline S-shaped riser system with a diameter of 46 mm and a total length of 1722 m. The overall-local correlation flow pattern map in the pipeline–riser system is proposed. The propagation modes of the pressure wave induced by the riser's pressure fluctuation in the horizontal pipeline under different overall flow patterns are clarified, and the correlations for predicting the propagation velocity and the attenuation coefficient of the pressure wave are proposed. The correlation for predicting the two-phase pressure drop of long-distance horizontal pipeline in the pipeline–riser system is established, and 88.23% of the data are within the error interval of ± 10%.
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Pressure wave propagation characteristics and two-phase pressure drop in a long-distance pipeline–riser system
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January 2025
Research Article|
January 06 2025
Pressure wave propagation characteristics and two-phase pressure drop in a long-distance pipeline–riser system
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Yeqi Cao (曹业奇)
;
Yeqi Cao (曹业奇)
(Conceptualization, Data curation, Investigation, Methodology, Validation, Writing – original draft)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
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Qiang Xu (徐强);
Qiang Xu (徐强)
a)
(Formal analysis, Methodology, Supervision, Validation)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
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Chan Wang (王婵);
Chan Wang (王婵)
(Formal analysis, Validation)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
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Haiyang Yu (于海洋);
Haiyang Yu (于海洋)
(Data curation, Investigation)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
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Yuwen Li (李玉文);
Yuwen Li (李玉文)
(Formal analysis, Software)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
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Bo Huang (黄博);
Bo Huang (黄博)
(Formal analysis, Software)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
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Liejin Guo (郭烈锦)
Liejin Guo (郭烈锦)
a)
(Conceptualization, Resources, Supervision)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
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Yeqi Cao (<span class='lang' lang='zh'>曹业奇</span>)
Conceptualization, Data curation, Investigation, Methodology, Validation, Writing – original draft
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
Qiang Xu (<span class='lang' lang='zh'>徐强</span>)
Formal analysis, Methodology, Supervision, Validation
a)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
Chan Wang (<span class='lang' lang='zh'>王婵</span>)
Formal analysis, Validation
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
Haiyang Yu (<span class='lang' lang='zh'>于海洋</span>)
Data curation, Investigation
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
Yuwen Li (<span class='lang' lang='zh'>李玉文</span>)
Formal analysis, Software
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
Bo Huang (<span class='lang' lang='zh'>黄博</span>)
Formal analysis, Software
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
Liejin Guo (<span class='lang' lang='zh'>郭烈锦</span>)
Conceptualization, Resources, Supervision
a)
State Key Laboratory of Multiphase Flow in Power Engineering, Xi'an Jiaotong University
, Xi'an 710049, China
Physics of Fluids 37, 014106 (2025)
Article history
Received:
October 15 2024
Accepted:
December 11 2024
Citation
Yeqi Cao, Qiang Xu, Chan Wang, Haiyang Yu, Yuwen Li, Bo Huang, Liejin Guo; Pressure wave propagation characteristics and two-phase pressure drop in a long-distance pipeline–riser system. Physics of Fluids 1 January 2025; 37 (1): 014106. https://doi.org/10.1063/5.0244042
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