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Liushuai Cao, Yanyan Pan, Gang Gao, Linjie Li and Decheng Wan
Wakes produced by underwater vehicles, particularly submarines, in density-stratified fluids play a pivotal role across military, academic, and engineering domains. In comparison to homogeneous fluid environments, wakes in stratified flows exhibit distin...
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Xunqian Xu, Yu Li, Fengyi Kang, Shue Li, Guozhi Wan, Qi Li, Tao Wu and Siwen Wang
The fluid-saturated porous continuous barrier has a better vibration isolation effect than the single-phase solid continuous barrier, and layer-forming saturated soils will have an impact on the vibration isolation effect of the barriers due to their irr...
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Daria Gladskikh, Lev Ostrovsky, Yuliya Troitskaya, Irina Soustova and Evgeny Mortikov
Within the framework of the theory of unsteady turbulent flows in a stratified fluid, a new parameterization of the turbulent Prandtl number is proposed. The parameterization is included in the k-e-closure and used within the three-dimensional model of t...
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Umair Khan, William Pao and Nabihah Sallih
Gas?liquid two-phase flow is very common in industrial pipelines. Flow regime identification is the first step to design, analyze, and operate the gas?liquid system successfully. The purpose of this study is to develop a methodology for identification of...
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Andrey G. Zatsepin, Valerii V. Gerasimov and Alexander G. Ostrovskii
In this study, a laboratory experiment was conducted to investigate quantitatively turbulent exchange between two quasi-homogeneous layers of equal thickness and different density (salinity), as well as the fine structure of the density transition zone (...
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Chang Shi, Xide Cheng, Zuyuan Liu, Kunyu Han, Penghui Liu and Long Jiang
When a vehicle moves underwater, disturbance is generated and a wake remains that destroys the original free surface and produces a new wake. In order to study the mechanism and characteristics of the wave-making wake generated by the maneuvering motion ...
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Pai Peng, Hui Du, Gang Wei, Shaodong Wang, Pu Xuan, Shuqun Cai and Jieshuo Xie
An experimental investigation of the vertical structure characteristics of internal solitary waves (ISWs) was systematically carried out in a large gravitationally stratified fluid flume. Four different stratifications were established, and basic element...
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Qing Pan, Hui-Min Yin and Kwok W. Chow
Internal waves in a stratified fluid with a constant buoyancy frequency were studied, with special attention given to rogue modes, extreme waves, dynamical evolution, and Fermi?Pasta?Ulam?Tsingou type recurrence phenomena. Rogue waves for triads in a gen...
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William Quitiaquez, Eduardo Cortez, Karen Anchapaxi, C.A. Isaza-Roldán, César Nieto-Londoño, Patricio Quitiaquez, Fernando Toapanta-Ramos
This research work presents a detailed description of the flow patterns maps generated in a horizontal pipe of the collector/evaporator of a direct-expansion solar-assisted heat pump, using R600a refrigerant as working fluid. The study was performed in a...
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Yingjie Hu, Li Zou, Xinyu Ma, Zhe Sun, Aimin Wang and Tiezhi Sun
In this study, the propagation and evolution characteristics of internal solitary waves on slope topography in stratified fluids were investigated. A numerical model of internal solitary wave propagation based on the nonlinear potential flow theory using...
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