SHEDDING

作品数:146被引量:280H指数:9
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Experimental research on cavitating hydrodynamic characteristics of NACA0015 hydrofoil and its biomimetic counterpart
《Journal of Hydrodynamics》2024年第6期1046-1056,共11页Xiao-jun Li Shi-rui Tang Zheng-dong Wang Kui Chen Yu-hua Zhou Hai Chen 
Project supported by the National Natural Science Foundation of China(Grant No.U24A20139);supported by the Key Research and Development Project of Zhejiang Province(Grant No.22024C01117);the KeyResearch and Development Project of Hangzhou(Grant No.2023SZD0041).
The biomimetic hydrofoils are frequently employed to enhance cavitation performance,although the underlying mechanisms remain to be fully elucidated.This study utilizes a cavitation visualization experimental system a...
关键词:NACA0015 biomimetic hydrofoil cavitation shedding lift/drag force visualization experiment 
Determination of the shedding frequency of cavitation cloud in a submerged cavitation jet based on high-speed photography images被引量:5
《Journal of Hydrodynamics》2021年第1期127-139,共13页Chi Peng Shou-ceng Tian Gen-sheng Li 
supported by the National Natural Science Foundation of China(Grant No.41961144026);the Chinese Ministry of Science and Technology(Grant No.2016YFE0124600).
To accurately determine the shedding frequency of the cavitation cloud in a submerged cavitation jet,the spectral analysis and the proper orthogonal decomposition(POD)for high-speed photography images are performed.Th...
关键词:Cavitation jet shedding frequency high-speed photography spectral analysis proper orthogonal decomposition(POD) 
Numerical simulation of flow past a square cylinder with a circular bar upstream and a splitter plate downstream被引量:1
《Journal of Hydrodynamics》2019年第5期949-964,共16页Yuan Ma MMRashidi Zhi-gang Yang 
A numerical investigation of flow past a square cylinder with a circular bar upstream and a splitter plate downstream is carried out in this paper by lattice Boltzmann method(LBM).The combination of the three obstacle...
关键词:Square cylinder lattice BOLTZMANN method(LBM) reduction of drag forces vortex SHEDDING control CIRCULAR BAR SPLITTER plate 
Numerical study on influence of structural vibration on cavitating flow around axisymmetric slender body
《Journal of Hydrodynamics》2018年第6期1182-1185,共4页Jing-zhu Wang Te-zhuan Du Yi-wei Wang Cheng-guang Huang 
Project supported by the National Natural Science Foundation of China(Grant Nos.11402276,11772340 and No.11332011)
The unsteady behaviors of cloud cavitating flow would lead to structural vibration and deformation that conversely affect its development. The present paper aims to preliminarily discuss the influences of structural v...
关键词:Structural vibration amplitude and frequency attack angle local shedding of cavitation transverse vibration speed local cavitating 
3-D Lagrangian-based investigations of the time-dependent cloud cavitating flows around a Clark-Y hydrofoil with special emphasis on shedding process analysis被引量:4
《Journal of Hydrodynamics》2018年第1期122-130,共9页程怀玉 龙新平 季斌 刘琦 白晓蕊 
Project supported by the National Natural Science Foundation of China(Project Nos.11772239,51576143 and91752105);the Outstanding Youth Foundation of Natural Science Foundation of Hubei Province(Grant No.2017CFA048)
In the present paper, the unsteady cavitating flow around a 3-D Clark-Y hydrofoil is numerically investigated with the filter-based density correction model(FBDCM), a turbulence model and the Zwart-Gerber-Belamri(...
关键词:Cavitation CFD Lagrangian coherent structures(LCSs) Clark-Y hydrofoil vortical flow 
Bubbly shock propagation as a mechanism of shedding in separated cavitating flows被引量:5
《Journal of Hydrodynamics》2017年第6期907-916,共10页Harish Ganesh Simo A.Makiharju Steven L.Ceccio 
supported by the Office of Naval Research(Grant No.N00014-14-1-0292)under program manager Dr.Ki-Han Kim
Stable attached partial cavitation in separated flows can transition to cloud shedding, and the mechanism of transition has been attributed to the presence of a re-entrant liquid jet. Our findings have revealed the pr...
关键词:Partial cavitation bubbly shock waves cloud cavitation X-ray densitometry 
Shedding frequency of sheet cavitation around axisymmetric body at small angles of attack被引量:2
《Journal of Hydrodynamics》2017年第3期520-523,共4页万初瑞 刘桦 
supported by the National Natural Science Foundation of China(Grant Nos.10972138,11632012);the National Key Basic Research Development Program of China(973 Program,Grant No.2013CB036102)
Cavity shedding of cavitating flows around an axisymmetric body belongs to the unsteady cavitating flows in the condition of steady incoming current.The periodic characteristics of unsteady cavitating flows around an ...
关键词:Cavitating flow shedding fluctuation axisymmetric headform 
Numerical analysis of cavitation shedding flow around a three-dimensional hydrofoil using an improved filter-based model被引量:2
《Journal of Hydrodynamics》2017年第2期361-375,共15页张德胜 施卫东 张光建 陈健 B.P.M.(Bart)van Esch 
Project supported by the National Natural Science Foun-dation of China(Grant No.51479083);the Prospective Joint Research Project of Jiangsu Province(Grant No.BY2015064-08);The Primary Research and Development Plan of Jiangsu Province(Grant Nos.BE2015001-3,BE2015146);the 333 Project of Jiangsu Province;Six Talent Peaks Project in Jiangsu Province(Grant No.HYGC-008)
The cavitation shedding flow around a 3-D Clark-Y hydrofoil is simulated by using an improved filter-based model (FBM) and a mass transfer cavitation model with the consideration of the maximum density ratio effect ...
关键词:Cloud cavitation shedding flow filter-based model turbulent viscosity Clark-Y hydrofoil 
Numerical analysis of cavitation cloud shedding in a submerged water jet被引量:11
《Journal of Hydrodynamics》2016年第6期986-993,共8页Guoyi PENG 杨从新 Yasuyuki OGUMA Seiji SHIMIZU 
supported by JSPS, Grantin-Aid for Scientific Research (C) (Grant No. 26420124)
Focused on the unsteady behavior of high-speed water jets with intensive cavitation a numerical analysis is performed by applying a practical compressible mixture flow bubble cavitation model with a simplified estimat...
关键词:CAVITATION bubble dynamics submerged water jet two-phase flow turbulent flow 
Three-dimensional large eddy simulation and vorticity analysis of unsteady cavitating flow around a twisted hydrofoil被引量:30
《Journal of Hydrodynamics》2013年第4期510-519,共10页季斌 罗先武 彭晓星 吴玉林 
Project supported by the National Natural Science Foundation of China (Grant Nos. 51206087, 51179091);the Major National Scientific Instrument and Equipment Development Project (Grant No. 2011YQ07004901);the China Postdoctoral Science Foundation (Grant Nos. 2011M500314,2012T50090)
Large Eddy Simulation (LES) was coupled with a mass transfer cavitation model to predict unsteady 3-D turbulent cavita- ting flows around a twisted hydrofoil. The wall-adapting local eddy-viscosity (WALE) model wa...
关键词:cavitation Large Eddy Simulation (LES) HYDROFOIL vorticity analysis unsteady shedding 
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