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Title:
Cloud Cavitating Flow That Surrounds a Vertical Hydrofoil Near the Free Surface
Author: Xu, Chang; Wang YW(王一伟); Huang CG(黄晨光); Yu C(余超); Huang J(黄荐)
Source: JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME
Issued Date: 2017-10-01
Volume: 139, Issue:10
Abstract: Unstable cavitation presents an important speed barrier for underwater vehicles such as hydrofoil craft. In this paper, the authors concern about the physical problem about the cloud cavitating flow that surrounds an underwater-launched hydrofoil near the free surface at relatively high-Froude number, which has not been discussed in the previous research. A water tank experiment and computational fluid dynamics (CFD) simulation are conducted in this paper. The results agree well with each other. The cavity evolution process in the experiment involves three stages, namely, cavity growth, shedding, and collapse. Numerical methods adopt large eddy simulation (LES) with Cartesian cut-cell mesh. Given that the speed of the model changes during the experiment, this paper examines cases with varying constant speeds. The free surface effects on the cavity, re-entry jet location, and vortex structures are analyzed based on the numerical results.
Language: 英语
Indexed Type: SCI ; EI
DOI: 10.1115/1.4036669
Related URLs: 查看原文
DOC Type: Article
WOS Subject: Engineering, Mechanical
WOS Subject Extended: Engineering
WOS Keyword Plus: LARGE-EDDY SIMULATION ; NUMERICAL-SIMULATION ; DECELERATION ; STABILITY
WOS ID: WOS:000412972700012
ISSN: 0098-2202
Funder: National Natural Science Foundation of China(11202215 ; Youth Innovation Promotion Association CAS(2015015) ; 11332011 ; 11672315)
Department: LMFS冲击与耦合效应(LHO)
Classification: 二类
Ranking: 1
Citation statistics:
Content Type: 期刊论文
URI: http://dspace.imech.ac.cn/handle/311007/70079
Appears in Collections:流固耦合系统力学重点实验室(2012-)_期刊论文

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Recommended Citation:
Xu, Chang,Wang YW,Huang CG,et al. Cloud Cavitating Flow That Surrounds a Vertical Hydrofoil Near the Free Surface[J]. JOURNAL OF FLUIDS ENGINEERING-TRANSACTIONS OF THE ASME,2017-10-01,139(10).
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