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Eulerian two-phase modeling of cavitation for high-speed UUV using different turbulence models
Li, Linmin; Jia, Qingquan; Liu, Zhongqiu; Li, Baokuan; Hu ZQ(胡志强); Lin Y(林扬)
作者部门海洋信息技术装备中心
会议名称2015 IEEE International Conference on Cyber Technology in Automation, Control, and Intelligent Systems (CYBER)
会议日期June 8-12, 2015
会议地点Shenyang, China
会议录名称2015 IEEE International Conference on Cyber Technology in Automation, Control, and Intelligent Systems (CYBER)
出版者IEEE
出版地Piscataway, NJ, USA
2015
页码1247-1252
收录类别EI ; CPCI(ISTP)
EI收录号20161402187658
WOS记录号WOS:000380502300229
产权排序1
ISSN号2379-7711
ISBN号978-1-4799-8730-6
关键词Cavitation Euler-euler Approach Rng K-􀄰turbulence Model Large Eddy Simulation
摘要The cavitation will occur when the speed of UUV(Unmanned Underwater Vehicle) exceeds the threshold. The research of cavitation is significant for the high-speed UUV research. Two different turbulence models are respectively used to study the time-averaged and instantaneous cavitation two-phase flows in the present work. The Euler-Euler approach is used to describe the phase equations of the water and vapor. The Schnerr and Sauer model is used to describe the mass transfer due to the cavitation. Firstly, the time-averaged cavitation flow in a cylindrical model is simulated using the renormalization-group(RNG) k-Ε turbulence model. Good quantitative agreement with experimental data is obtained both for the vapor volume fraction and static pressure of different cavitation numbers. Next, transient computation is performed using the large eddy simulation(LES) with Smagorinsky subgrid scale model(SGS) to study the time-dependent cavitation flow of a hydrofoil model. The predicted transient cavitation behavior and cavities shedding in the hydrofoil model agree well with experimental observations. Thus, the LES can be effectively used for studying the cavity shedding and the instantaneous cavitation flow.
语种英语
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型会议论文
条目标识符http://ir.sia.cn/handle/173321/18505
专题海洋信息技术装备中心
作者单位1.School of Materials and Metallurgy, Northeastern University, Shenyang, China
2.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
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Li, Linmin,Jia, Qingquan,Liu, Zhongqiu,et al. Eulerian two-phase modeling of cavitation for high-speed UUV using different turbulence models[C]. Piscataway, NJ, USA:IEEE,2015:1247-1252.
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