Physics of Fluids - Publications

The speed of sound in a gas–vapour bubbly liquid

Interface Focus 5, 20150024 (2015)

Authors

BibTeΧ

@article {Prosperetti20150024
	author = {Prosperetti, Andrea},
	title = {The speed of sound in a gas{\textendash}vapour bubbly liquid},
	volume = {5},
	number = {5},
	year = {2015},
	doi = {10.1098/rsfs.2015.0024},
	publisher = {Royal Society},
	abstract = {In addition to the vapour of the liquid, bubbles in cavitating flows usually contain also a certain amount of permanent gas that diffuses out of the liquid as they grow. This paper presents a simplified linear model for the propagation of monochromatic pressure waves in a bubbly liquid with these characteristics. Phase change effects are included in detail, while the gas is assumed to follow a polytropic law. It is shown that even a small amount of permanent gas can have a major effect on the behaviour of the system. Particular attention is paid to the low-frequency range, which is of special concern in flow cavitation. Numerical results for water and liquid oxygen illustrate the implications of the model.},
	issn = {2042-8898},
	journal = {Interface Focus}
}