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This chapter focuses on the research methods of dynamics of interactions between cavitation bubbles and droplets, including high-speed photographic experiments, theoretical analysis of bubble dynamics, and numerical simulation of OpenFOAM. From the experimental aspect, according to the droplet morphology produced in different modes, the droplets can be divided into hemispherical, ellipsoidal, and spherical droplets. The difference in the droplet morphology affects the analysis of dynamic behavior characteristics. From the theoretical view, based on the classical Rayleigh–Plesset equation, the dynamic equations of the cavitation bubble inside a droplet are developed considering the influence of surface tension and the viscous force. For the simulation, the governing equations are introduced together with the volume of fluid (VOF) and the large-eddy simulation (LES) methods.

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Li, Z., Wang, X., Shen, J., Zhang, Y. (2024). Research Methods. In: Cavity Dynamics and Splashing Mechanism in Droplets. SpringerBriefs in Energy. Springer, Cham.

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