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2024 | OriginalPaper | Chapter

5. Dynamic Characteristics of a Vapor Bubble in a Droplet

Authors : Zhaohao Li, Xiaoyu Wang, Junwei Shen, Yuning Zhang

Published in: Cavity Dynamics and Splashing Mechanism in Droplets

Publisher: Springer Nature Switzerland

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Abstract

This chapter focuses on the comparisons of dynamic behaviors of droplets containing the air and the vapor. The fundamental reason for this difference lies in the existences of vapor condensation. Due to the phase transition, the velocity of fluid propagation and the mechanism of its interactions with shock waves may be changed. Based on this, it is of certain significance to investigate the dynamic characteristics of a vapor bubble inside a droplet. In this chapter, a numerical method is adopted to simulate the movement, deformation, collapse, and other processes of a vapor bubble, and a quantitative analysis is carried out on the local instantaneous pressure released during the collapse.

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Literature
1.
go back to reference Xu S, Wang B (2020) Numerical simulation of shock wave and droplet interaction based on cavitation model. In: 11th national conference on fluid mechanics, Shenzhen (in Chinese) Xu S, Wang B (2020) Numerical simulation of shock wave and droplet interaction based on cavitation model. In: 11th national conference on fluid mechanics, Shenzhen (in Chinese)
2.
go back to reference Wu WX, Wang B, Xiang GM (2019) Impingement of high-speed cylindrical droplets embedded with an air/vapour cavity on a rigid wall: numerical analysis. J Fluid Mech 864:1058–1087CrossRef Wu WX, Wang B, Xiang GM (2019) Impingement of high-speed cylindrical droplets embedded with an air/vapour cavity on a rigid wall: numerical analysis. J Fluid Mech 864:1058–1087CrossRef
Metadata
Title
Dynamic Characteristics of a Vapor Bubble in a Droplet
Authors
Zhaohao Li
Xiaoyu Wang
Junwei Shen
Yuning Zhang
Copyright Year
2024
DOI
https://doi.org/10.1007/978-3-031-54246-6_5

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