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

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Abstract

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.

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

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Publication details

The article was received on 14 May 2017, accepted on 10 Jul 2017 and first published on 11 Jul 2017


Article type: Paper
DOI: 10.1039/C7CP03194G
Citation: Phys. Chem. Chem. Phys., 2017, Advance Article
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    A model for the effect of bulk liquid viscosity on cavitation bubble dynamics

    Y. Shen, K. Yasui, T. Zhu and M. Ashokkumar, Phys. Chem. Chem. Phys., 2017, Advance Article , DOI: 10.1039/C7CP03194G

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