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Oscillation flow induced by underwater supersonic gas jets
Shi HH(施红辉); Guo QA; Wang C(王超); Dong RL; Zhang LT; Jia HX; Wang XG; Wang BY(王柏懿); Shi HH
Source PublicationShock Waves
2010
Volume20Issue:4Pages:347-352
ISSN0938-1287
Abstract

This paper describes an experimental study on the oscillation flow characteristics of submerged supersonic gas jets issued from Laval nozzles. The flow pattern during the jet development and the jet expansion feedback phenomenon are studied using a high-speed camera and a pressure measurement system. The experimental results indicate that along the downstream distance, the jet has three flow regimes: (1) momentum jet; (2) buoyant jet; (3) plume. In the region near the nozzle exit a so-called bulge phenomenon is found. Bulging of the jet occurs many times before the more violent jet expansion feedback occurs. During the feedback process, the jet diameter can become several times that of the original one depending on the jet Mach number. The frequencies of the jet bulging and the jet expansion feedback are measured.

KeywordUnderwater Supersonic Gas Jet Jet Expansion Feedback Jet Bulge High-speed Photography Water Injection Liquid
DOI10.1007/s00193-010-0270-2
URL查看原文
Indexed BySCI
Language英语
WOS IDWOS:000280947600010
WOS KeywordWater ; Injection ; Liquid
WOS Research AreaMechanics
WOS SubjectMechanics
Funding OrganizationNational Natural Science Foundation of China [19972069, 10672144] ; Natural Science Foundation of Zhejiang Province of China [Y107073] ; Science Foundation of Zhejiang Sci-Tech University
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/43481
Collection非线性力学国家重点实验室
Corresponding AuthorShi HH
Recommended Citation
GB/T 7714
Shi HH,Guo QA,Wang C,et al. Oscillation flow induced by underwater supersonic gas jets[J]. Shock Waves,2010,20(4):347-352.
APA Shi HH.,Guo QA.,Wang C.,Dong RL.,Zhang LT.,...&Shi HH.(2010).Oscillation flow induced by underwater supersonic gas jets.Shock Waves,20(4),347-352.
MLA Shi HH,et al."Oscillation flow induced by underwater supersonic gas jets".Shock Waves 20.4(2010):347-352.
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