The University of Southampton
University of Southampton Institutional Repository

Bubble size measurements in breaking waves using optical fibre phase detection probes

Bubble size measurements in breaking waves using optical fibre phase detection probes
Bubble size measurements in breaking waves using optical fibre phase detection probes
Knowledge of the two-phase flow generated by breaking waves is desirable if we are to fully understand their effect on environmental processes such as air?sea gas exchange and production of sea-salt aerosol. However, due to the difficulties in making measurements in the high void fraction bubble plumes generated immediately after breaking, little detailed information is available. This paper describes laboratory measurements of the size of bubbles entrained in the dense plumes generated by wave breaking made using a pair of highly sensitive optical fiber phase detection probes. The results compare well with those of previous authors in the low void fraction parts of the flow, and go on to include data from within the highly aerated region present in the period shortly after breaking, close to the area of most active air entrainment. The data highlights the spatial and temporal evolution of the bubble sizes within breaker generated bubble plumes and demonstrates that some large air cavities with diameters of tens of millimeters are initially entrained. It is observed that the bubbles resident within the plume rapidly decrease in size with time and distance away from the point of primary entrainment as the large cavities initially entrained are broken up into smaller bubbles.
0364-9059
388-401
Blenkinsopp, C.E.
667e2a73-0488-4e5d-9eda-d58526fbc8c6
Chaplin, J.R.
d5ed2ba9-df16-4a19-ab9d-32da7883309f
Blenkinsopp, C.E.
667e2a73-0488-4e5d-9eda-d58526fbc8c6
Chaplin, J.R.
d5ed2ba9-df16-4a19-ab9d-32da7883309f

Blenkinsopp, C.E. and Chaplin, J.R. (2010) Bubble size measurements in breaking waves using optical fibre phase detection probes. IEEE Journal of Oceanic Engineering, 35 (2), 388-401. (doi:10.1109/JOE.2010.2044940).

Record type: Article

Abstract

Knowledge of the two-phase flow generated by breaking waves is desirable if we are to fully understand their effect on environmental processes such as air?sea gas exchange and production of sea-salt aerosol. However, due to the difficulties in making measurements in the high void fraction bubble plumes generated immediately after breaking, little detailed information is available. This paper describes laboratory measurements of the size of bubbles entrained in the dense plumes generated by wave breaking made using a pair of highly sensitive optical fiber phase detection probes. The results compare well with those of previous authors in the low void fraction parts of the flow, and go on to include data from within the highly aerated region present in the period shortly after breaking, close to the area of most active air entrainment. The data highlights the spatial and temporal evolution of the bubble sizes within breaker generated bubble plumes and demonstrates that some large air cavities with diameters of tens of millimeters are initially entrained. It is observed that the bubbles resident within the plume rapidly decrease in size with time and distance away from the point of primary entrainment as the large cavities initially entrained are broken up into smaller bubbles.

This record has no associated files available for download.

More information

Published date: April 2010

Identifiers

Local EPrints ID: 186219
URI: http://eprints.soton.ac.uk/id/eprint/186219
ISSN: 0364-9059
PURE UUID: 12e336e6-44de-4dff-86e8-202449fc1409
ORCID for J.R. Chaplin: ORCID iD orcid.org/0000-0003-2814-747X

Catalogue record

Date deposited: 12 May 2011 15:13
Last modified: 15 Mar 2024 03:04

Export record

Altmetrics

Contributors

Author: C.E. Blenkinsopp
Author: J.R. Chaplin ORCID iD

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×