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On-line Access: 2024-01-15

Received: 2022-01-07

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Crosschecked: 2024-01-15

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Yunfeng TAN


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Journal of Zhejiang University SCIENCE A 2024 Vol.25 No.1 P.47-62


Numerical modeling and experimental investigation of a two-phase sink vortex and its fluid–solid vibration characteristics

Author(s):  Zichao YIN, Yesha NI, Lin LI, Tong WANG, Jiafeng WU, Zhe LI, Dapeng TAN

Affiliation(s):  College of Mechanical Engineering, Zhejiang University of Technology, Hangzhou 310014, China; more

Corresponding email(s):   tandapeng@zjut.edu.cn, linli@zjut.edu.cn, niyesha@zjut.edu.cn

Key Words:  Free sink vortex, Fluid–, solid coupling, Level set method (LSM), Multi-physics model, Vibration characteristics

Zichao YIN, Yesha NI, Lin LI, Tong WANG, Jiafeng WU, Zhe LI, Dapeng TAN. Numerical modeling and experimental investigation of a two-phase sink vortex and its fluid–solid vibration characteristics[J]. Journal of Zhejiang University Science A, 2024, 25(1): 47-62.

@article{title="Numerical modeling and experimental investigation of a two-phase sink vortex and its fluid–solid vibration characteristics",
author="Zichao YIN, Yesha NI, Lin LI, Tong WANG, Jiafeng WU, Zhe LI, Dapeng TAN",
journal="Journal of Zhejiang University Science A",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Numerical modeling and experimental investigation of a two-phase sink vortex and its fluid–solid vibration characteristics
%A Zichao YIN
%A Yesha NI
%A Lin LI
%A Tong WANG
%A Jiafeng WU
%A Zhe LI
%A Dapeng TAN
%J Journal of Zhejiang University SCIENCE A
%V 25
%N 1
%P 47-62
%@ 1673-565X
%D 2024
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.A2200014

T1 - Numerical modeling and experimental investigation of a two-phase sink vortex and its fluid–solid vibration characteristics
A1 - Zichao YIN
A1 - Yesha NI
A1 - Lin LI
A1 - Tong WANG
A1 - Jiafeng WU
A1 - Zhe LI
A1 - Dapeng TAN
J0 - Journal of Zhejiang University Science A
VL - 25
IS - 1
SP - 47
EP - 62
%@ 1673-565X
Y1 - 2024
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.A2200014

A sink vortex is a common physical phenomenon in continuous casting, chemical extraction, water conservancy, and other industrial processes, and often causes damage and loss in production. Therefore, the real-time monitoring of the sink vortex state is important for improving industrial production efficiency. However, its suction-extraction phenomenon and shock vibration characteristics in the course of its formation are complex mechanical dynamic factors for flow field state monitoring. To address this issue, we set up a multi-physics model using the level set method (LSM) for a free sink vortex to study the two-phase interaction mechanism. Then, a fluid–;solid coupling dynamic model was deduced to investigate the shock vibration characteristics and reveal the transition mechanism of the critical flow state. The numerical results show that the coupling energy shock induces a pressure oscillation phenomenon, which appears to be a transient enhancement of vibration at the vortex penetration state. The central part of the transient enhancement signal is a high-frequency signal. Based on the dynamic coupling model, an experimental observation platform was established to verify the accuracy of the numerical results. The water-model experiment results were accordant with the numerical results. The above results provide a reference for fluid state recognition and active vortex control for industrial monitoring systems, such as those in aerospace pipe transport, hydropower generation, and microfluidic devices.




Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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