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Background nuclei measurements and implications for cavitation inception in hydrodynamic test facilities

Citation

Venning, JA and Khoo, MT and Pearce, BW and Brandner, PA, Background nuclei measurements and implications for cavitation inception in hydrodynamic test facilities, Experiments in Fluids: Experimental Methods and Their Applications to Fluid Flow, 59 Article 71. ISSN 0723-4864 (2018) [Refereed Article]

Copyright Statement

Copyright 2018 Springer-Verlag GmbH Germany, part of Springer Nature

DOI: doi:10.1007/s00348-018-2520-5

Abstract

Water susceptibility and background nuclei content in a water tunnel are investigated using a cavitation susceptibility meter. The measured cumulative histogram of nuclei concentration against critical pressure shows a power law dependence over a large range of concentrations and pressures. These results show that the water strength is not characterised by a single tension but is susceptible to Ďallí tensions depending on the relevant timescale. This background nuclei population is invariant to tunnel conditions showing that it is stabilised against dissolution. Consideration of a practical cavitating flow about a sphere shows that although background nuclei may be activated, their numbers are so few compared with other sources that they are insignificant for this case.

Item Details

Item Type:Refereed Article
Keywords:nuclei, water, susceptibility
Research Division:Engineering
Research Group:Interdisciplinary Engineering
Research Field:Fluidisation and Fluid Mechanics
Objective Division:Expanding Knowledge
Objective Group:Expanding Knowledge
Objective Field:Expanding Knowledge in the Physical Sciences
Author:Venning, JA (Dr James Venning)
Author:Khoo, MT (Mr Matthew Khoo)
Author:Pearce, BW (Dr Bryce Pearce)
Author:Brandner, PA (Professor Paul Brandner)
ID Code:125247
Year Published:2018
Web of Science® Times Cited:1
Deposited By:NC Maritime Engineering and Hydrodynamics
Deposited On:2018-04-10
Last Modified:2018-05-16
Downloads:0

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