Drag reduction methods at solid-liquid interfaces

M Liu, L Ma - Friction, 2022 - Springer
Friction drag is a nonnegligible matter when relative motion happens between solid and
liquid phase, which brings many inconveniences in ship navigation, fluid transportation …

An experimental investigation into supercavity closure mechanisms

A Karn, REA Arndt, J Hong - Journal of Fluid Mechanics, 2016 - cambridge.org
Substantial discrepancy in the conditions for attainment of different closure modes of a
ventilated supercavity has existed widely in the published literature. In this study, supercavity …

A study on the cavitating flow around an elliptical disk-shaped cavitator for non-body-of-revolution underwater vehicles

G Chen, T Sun, S Yang, Z Miao… - Engineering Applications of …, 2023 - Taylor & Francis
Supercavitation has been recently presented as an effective method for the drag reduction of
underwater vehicles. However, maintaining the supercavitating state requires a lot of …

Experimental investigation of the dynamic evolution of cavity during the free water-exit of a high-pressure venting vehicle

QS Zhang, FR Ming, XJ Liu, WT Liu, A Zhang - Physics of Fluids, 2023 - pubs.aip.org
The underwater vehicle is subjected to complex hydrodynamic loads during water-exit
process, which seriously affect the structural strength and water-exit stability of the vehicle …

Physical and numerical study on the transition of gas leakage regime of ventilated cavitating flow

Y Lv, M Zhang, T Liu, J Chen, B Huang, L Hao - Ocean Engineering, 2021 - Elsevier
The objective of this paper is mainly to investigate the ventilated cavitating flow around an
axisymmetric body with a focus on the gas leakage mechanisms via combining experimental …

Optimization random forest model for air entrainment hysteresis prediction in ventilated cavitation using genetic and particle swarm along with experimental …

HA Kamali, MR Erfanian - Physics of Fluids, 2024 - pubs.aip.org
One of the complex challenges in ventilated cavitating flow studies is analyzing hysteresis
behavior and the formation air entrainment coefficient (⁠ C qf⁠) under different conditions …

[PDF][PDF] 近自由面超空泡航行体多相流特性分析

向敏, 刘波, 谢泽阳, 赵小宇 - 空气动力学学报, 2023 - kqdlxxb.xml-journal.net
以近水面超空泡航行体为研究背景, 采用理论分析和数值模拟相结合的方法,
开展近自由面空泡演化动力学机制研究, 基于OpenFOAM 开源软件平台构建多相流求解器 …

Experimental and numerical investigation of an unsteady supercavitating moving body

B Saranjam - Ocean Engineering, 2013 - Elsevier
In the last decade much research works has been carried out in order to improve the
operation and speed of the underwater vehicles. In this study important supercavitation …

[HTML][HTML] The investigation of natural super-cavitation flow behind three-dimensional cavitators: Full cavitation model

E Kadivar, E Kadivar, K Javadi… - Applied Mathematical …, 2017 - Elsevier
In this study, natural super-cavitating flow around three different conical cavitators with
wedge angles of 30°, 45° and 60° is investigated. We apply the k− ϵ turbulence model and …

Experimental investigation of ventilation bubble dynamics around a vertically moving cylinder under reduced ambient pressure

X Chen, W Xiao, R Gong, X Yao… - Fluid Dynamics Research, 2022 - iopscience.iop.org
Ventilation bubble is widely used to reduce friction drag of object travelling in fluid. A large
number of experimental studies are performed on the ventilation bubble in water tunnel …