国家自然科学基金(51179091)

作品数：6被引量：48H指数：4
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相关作者：金成学黄仁芳罗先武更多>>
相关机构：清华大学更多>>
相关期刊：《Science Bulletin》《Science China(Technological Sciences)》《清华大学学报（自然科学版）》《Journal of Hydrodynamics》更多>>
相关主题：HYDROFOILUNSTEADYVORTICITYSHEDDINGLARGE_EDDY_SIMULATION更多>>
相关领域：交通运输工程理学动力工程及工程热物理水利工程更多>>
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Implicit large eddy simulation of unsteady cloud cavitation around a plane-convex hydrofoil被引量：5
《Journal of Hydrodynamics》2015年第6期815-823,共9页HIDALGO Victor 罗先武 ESCALER Xavier 季斌 AGUINAGA Alvaro 
Project supported by the National Natural Science Foundation of China(Grant Nos.51306018,51536008 and 51179091)
The present paper focuses on the erosive cavitation behavior around a plane convex hydrofoil. The Zwart-Gerber-Belamri cavitation model is implemented in a library form to be used with the OpenFOAM. The implicit large...
关键词：implicit large eddy simulation （ILES） unsteady partial cavitation Zwart-Gerber-Belamri cavitation model OpenFOAM Q - criterion 
Analysis of ventilated cavitation around a cylinder vehicle with nature cavitation using a new simulation method被引量：5
《Science Bulletin》2015年第21期1833-1839,共7页An Yu Xianwu Luo Bin Ji 
supported by the National Natural Science Foundation of China(51179091,51306018,51206087and 51376100);the State Key Laboratory for Hydroscience and Engineering(2014-KY-05 and 2015-E-03)
In the present paper, a new simulation method is developed for unsteady cavitating flow with air ventilation,which is very useful for alleviating the pressure oscillation in hydroturbine draft tube and reducing the dr...
关键词：Nature cavitation Ventilatedcavitation Level set method -Vortex production 
Cavitation shedding dynamics around a hydrofoil simulated using a filter-based density corrected model被引量：9
《Science China(Technological Sciences)》2015年第5期864-869,共6页YU An JI Bin HUANG RenFang ZHANG Yao ZHANG YuNing LUO XianWu 
supported by the National Natural Science Foundation of China(Grant Nos.51206087,51306018,51179091 and 51376100);the National Basic Research Program of China("973"Project)(Grant No.2011BAF03B01);the Open Research Fund Program of State key Laboratory of Hydroscience and Engineering(Grant No.2014-KY-05 and 2015-E-03)
The unsteady turbulent cloud cavitation around a NACA66 hydrofoil was simulated using the filter-based density corrected model(FBDCM). The cloud cavitation was treated as a homogeneous liquid-vapor mixture and the eff...
关键词：corrected turbulent vortex cavitation unsteady vorticity cloud turbulence agree torque 
Numerical study of unsteady cavitation on 2D NACA0015 hydrofoil using free/open source software被引量：3
《Chinese Science Bulletin》2014年第26期3276-3282,共7页Victor Hidalgo Xianwu Luo Bin Ji Alvaro Aguinaga 
financially supported by the National Natural Science Foundation of China (51206087, 51179091 and 51376100);the Major National Scientific Instrument and Equipment Development Project (2011YQ07004901)
The free/open source software as OpenFOAM,Salome meshing and python language under Debian Linux system are evaluated to model unsteady cavitating turbulent flow around a NACA0015 hydrofoil. Based on the cavitation mod...
关键词：空化模型 开源软件 自由软件 非定常 数值研究 水翼 PYTHON语言 LINUX系统 
中心孔结构对混流式水轮机压力脉动的影响被引量：1
《清华大学学报（自然科学版）》2014年第11期1453-1459,共7页金成学 黄仁芳 罗先武 
国家自然科学基金项目(51179091)
针对混流式水轮机中广泛存在的压力脉动问题,通过3维非稳态流动分析方法模拟了4种中心补气孔结构对模型水轮机内压力脉动的影响。结果表明:中心孔补气可以缓解部分负荷工况下的压力脉动。从该文的模型水轮机分析,补气孔长度为30mm时,尾...
关键词：混流式水轮机 补气 压力脉动 中心孔 
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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