Bubbly shock propagation as a mechanism of shedding in separated cavitating flows

查看全文 作　　者：Harish [1]Ganesh;Simo [2]A.Makiharju;Steven [1]L.Ceccio

机构地区：[1]University of Michigan,Ann Arbor,USA;[2]University of California,Berkeley,USA

出　　处：《Journal of Hydrodynamics》索引2017年第29卷第6期,共10页

基　　金：supported by the Office of Naval Research(Grant No.N00014-14-1-0292)under program manager Dr.Ki-Han Kim 摘　　要：Stable attached partial cavitation in separated flows can transition to cloud shedding, and the mechanism of transition has been attributed to the presence of a re-entrant liquid jet. Our findings have revealed the presence of propagating bubbly shock waves as an alternative dominant mechanism of shedding when the compressibility of the bubbly mixture is appreciable. In the present paper, we discuss dynamics associated with these bubbly shock waves, interaction of shock waves with obstacles in their path, and means to manipulate their properties to control the shedding process by non-condensable gas injection. 关键词：冒泡机制流动繁殖冲击波调查结果相互作用动力学

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Bubbly shock propagation as a mechanism of shedding in separated cavitating flows

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