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Characterisation of the ultrasonic acoustic spectrum and pressure field in aluminium melt with an advanced cavitometer

Characterisation of the ultrasonic acoustic spectrum and pressure field in aluminium melt with an advanced cavitometer

Tzanakis, I., Lebon, Gerard S. B., Eskin, D. G. and Pericleous, Kyriacos A. ORCID: 0000-0002-7426-9999 (2016) Characterisation of the ultrasonic acoustic spectrum and pressure field in aluminium melt with an advanced cavitometer. Journal of Materials Processing Technology, 229. pp. 582-586. ISSN 0924-0136 (doi:https://doi.org/10.1016/j.jmatprotec.2015.10.009)

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Abstract

Currently, fundamental experimental studies in liquid metals are limited as there are very few available experimental tools for directly measuring acoustic cavitation in such extreme environments. In this work, a calibrated high temperature cavitometer was used for measuring acoustic emissions and acoustic pressure in sonicated liquid aluminium and in water. The extent of the cavitation zone was quantified in liquid aluminium and water. The differences between cavitation behaviour of water and liquid aluminium were explained in terms of acoustic shielding, attenuation, and bubble dynamics.

Item Type: Article
Additional Information: Open Access Article under the CC BY License funded by Engineering and Physical Sciences Research Council
Uncontrolled Keywords: Cavitation bubbles; Ultrasound; Liquid aluminium; Cavitometer; Acoustic pressure; Frequency spectrum
Faculty / Department / Research Group: Faculty of Architecture, Computing & Humanities
Faculty of Architecture, Computing & Humanities > Centre for Numerical Modelling & Process Analysis (CNMPA) > Computational Science & Engineering Group (CSEG)
Faculty of Architecture, Computing & Humanities > Department of Mathematical Sciences
Last Modified: 02 Mar 2019 15:53
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
Selected for GREAT 2019: None
URI: http://gala.gre.ac.uk/id/eprint/14025

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