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Title:
A Scaled Underwater Launch System Accomplished by Stress Wave Propagation Technique
Author: Wei YP(魏延鹏); Wang YW(王一伟); Fang X(方新); Huang CG(黄晨光); Duan ZP(段祝平)
Source: Chinese Physics Letters
Issued Date: 2011
Volume: 28, Issue:2, Pages:24601
Abstract: A scaled underwater launch system based on the stress wave theory and the slip Hopkinson pressure bar (SHPB) technique is developed to study the phenomenon of cavitations and other hydrodynamic features of high-speed submerged bodies. The present system can achieve a transient acceleration in the water instead of long-time acceleration outside the water. The projectile can obtain a maximum speed of 30 m/s in about 200 mu s by the SHPB launcher. The cavitation characteristics in the stage of acceleration and deceleration are captured by the high-speed camera. The processes of cavitation inception, development and collapse are also simulated with the business software FLUENT, and the results are in good agreement with experiment. There is about 20-30% energy loss during the launching processes, the mechanism of energy loss is also preliminary investigated by measuring the energy of the incident bar and the projectile.
Keyword: Full Cavitation Model
Language: 英语
Indexed Type: SCI ; CSCD
Corresponding Author: Wei, YP (reprint author), Chinese Acad Sci, Key Lab Hydrodynam & Ocean Engn, Inst Mech, Beijing 100190, Peoples R China
Correspondent Email: osborny@msn.com
DOI: 10.1088/0256-307X/28/2/024601
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Physics, Multidisciplinary
WOS Subject Extended: Physics
WOS Keyword Plus: FULL CAVITATION MODEL
WOS ID: WOS:000286929900037
ISSN: 0256-307X
Rank: [Wei Yan-Peng; Wang Yi-Wei; Huang Chen-Guang] Chinese Acad Sci, Key Lab Hydrodynam & Ocean Engn, Inst Mech, Beijing 100190, Peoples R China; [Fang Xin; Duan Zhu-Ping] Chinese Acad Sci, State Key Lab Nonlinear Mech, Inst Mech, Beijing 100190, Peoples R China
Subject: Physics
Department: LMFS冲击与耦合效应(LHO)
Classification: Q3
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/44961
Appears in Collections:非线性力学国家重点实验室_期刊论文

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Recommended Citation:
Wei YP,Wang YW,Fang X,et al. A Scaled Underwater Launch System Accomplished by Stress Wave Propagation Technique[J]. Chinese Physics Letters,2011-01-01,28(2):24601.
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