SHEDDING

作品数:146被引量:280H指数:9
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相关作者:田中宏明曹明张奠湘张瑞泉李世晋更多>>
相关机构:京都大学大连理工大学中国科学院华南植物园清华大学更多>>
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相关基金:国家自然科学基金国家重点基础研究发展计划中国博士后科学基金上海市浦江人才计划项目更多>>
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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 
Rotating Surfaces Promote the Shedding of Droplets
《Research》2023年第1期583-592,共10页Ran Tao Wei Fang Jun Wu Binhong Dou Wanghuai Xu Zhanying Zheng Bing Li Zuankai Wang Xiqiao Feng Chonglei Hao 
supported by the National NaturalScience Foundation of China(nos.52005128 and 11921002);China Postdoctoral Science Foundation(nos.2021 M690833 and2021 M701905);Shenzhen Science and Technology Program(nos.KQTD20210811090146075 and JCYJ20210324132810026).
Achieving rapid shedding of droplets from solid surfaces has received substantial attention because of its diverse applications.Previous studies have focused on minimizing contact times of liquid droplets interacting ...
关键词:STATIONARY ROTATING SYNERGISTIC 
Analysis of oil shedding and ligaments formation on bearing rotary elements
《Chinese Journal of Aeronautics》2023年第2期377-387,共11页Donglei ZHU Guoding CHEN Yanjun LI Chaoyang ZHANG Lin WANG 
supported by the National Science and Technology Major Project(No.J2019-Ⅲ-0023-0067);the National Natural Science Foundation of China(No.51975475);the Fundamental Research funds for the Central Universities(No.31020200503002)。
For designing efficient lubrication system of an aeroengine bearing chamber,sufficient knowledge on oil/air two-phase flow characteristics is required.When analyzing bearing chamber two-phase flow,the essential prereq...
关键词:Aeroengine bearing chamber LIGAMENTS LUBRICATION Mechanical analysis SHEDDING Wave 
Study on the Fractal Characteristics of Cavitation Shedding over a Twisted Hydrofoil
《Frontiers in Heat and Mass Transfer》2023年第1期161-178,共18页Zilong Hu Weilong Guang Ran Tao Ruofu Xiao Di Zhu 
supported by the National Natural Science Foundation of China,Grant No.51909131.
Cavitation and cavitation erosion often occur and seriously threaten the safe and stable operation of hydraulic machinery.However,during the operation of hydraulic machinery,the cavitation flow field is often difficul...
关键词:Twisted hydrofoil CAVITATION fractal dimension detached eddy simulation 
Shedding vortex simulation method based on viscous compensation technology research
《Chinese Physics B》2022年第4期414-425,共12页Hao Zhou Lei Wang Zhang-Feng Huang Jing-Zhi Ren 
Project supported by the National Key Project,China(Grant No.GJXM92579);the National Natural Science Foundation of China(Grant No.12072232)。
Owing to the influence of the viscosity of the flow field,the strength of the shedding vortex decreases gradually in the process of backward propagation.Large-scale vortexes constantly break up,forming smaller vortexe...
关键词:shedding vortex viscosity analysis numerical dissipation turbulence models 
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 an Airfoil Electrothermal-Deicing-System in the Framework of a Coupled Moving-Boundary Method被引量:3
《Fluid Dynamics & Materials Processing》2020年第6期1-30,共30页Miao Xin Guo Zhong Yihua Cao 
supported by Rotor Aerodynamics Key Laboratory[Grant Number RAL20180401].
A numerical method for the analysis of the electrothermal deicing system for an airfoil is developed taking into account mass and heat exchange at the moving boundary that separates the water film created due to dropl...
关键词:Electrothermal deicing water film flow unsteady heat transfer ice recognition coupled moving-boundary ice shedding 
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 
Numerical Investigation on a Dual-jet Consisting of a Plane Wall Jet and a Parallel Offset Jet at Low-Reynolds Number
《Transactions of Nanjing University of Aeronautics and Astronautics》2018年第5期778-788,共11页Zhao Liqing Sun Jianhong 
supported by the National Natural Science Foundation of China(No.11402124);the Natural Science Foundation of Jiangsu Province(No.BK20140985);the Natural Science Foundation of Jiangsu Higher Education Institutions of China(No.14KJB130002);the Startup Foundation for Introducing Talent of NUIST(No.2013x031)
A dual-jet consisting of a wall jet and an offset jet has been numerically simulated using lattice Boltzmann method to examine the effects of jet spacing between two jet centerlines,defined as s.The Reynolds number ba...
关键词:dual-jet low-Reynolds number lattice BOLTZMANN method vortex SHEDDING 
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