A model for the effect of bulk liquid viscosity on cavitation bubble dynamics | Zendy

Yang Shen | Zendy; Kyuichi Yasui | Zendy; Tong Zhu | Zendy; Muthupandian Ashokkumar | Zendy

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A model for the effect of bulk liquid viscosity on cavitation bubble dynamics

Author(s) -

Yang Shen,

Kyuichi Yasui,

Tong Zhu,

Muthupandian Ashokkumar

Publication year - 2017

Publication title -

physical chemistry chemical physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.053

H-Index - 239

eISSN - 1463-9084

pISSN - 1463-9076

DOI - 10.1039/c7cp03194g

Subject(s) - bubble , cavitation , viscosity , dynamics (music) , mechanics , thermodynamics , materials science , chemistry , physics , acoustics

A new model of single cavitation bubble dynamics has been developed to include the effect of bulk liquid viscosity in addition to the effects of evaporation/condensation of water vapor, thermal conduction and the compressibility of a liquid. In this study, the liquid viscosity is divided into two parts: viscosity at the bubble interface (μ') and viscosity of the bulk liquid (μ). A set of numerical calculations with and without μ has been completed under different viscosities (0.001-0.014 Pa s) to quantitatively analyze the effect of μ on single cavitation bubble dynamics. The results show that the effect can be negligible for small viscosities, but it should be taken into account for relatively high viscosities.

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