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Outboard engine emissions: Modelling and simulation of underwater propeller velocity profile using the CFD code FLUENT

Egerton, J. O., Rasul, Mohammad G., & Brown, Richard J. (2007) Outboard engine emissions: Modelling and simulation of underwater propeller velocity profile using the CFD code FLUENT. In Jacobs, Peter, McIntyre, Tim, Cleary, Matthew, Butsworth, David, Mee, David, Clements, Rose, et al. (Eds.) 16th Australasian Fluid Mechanics Conference, 2-7 December, Gold Coast, Australia.

Abstract

The mixing and dispersion created downstream of the marine propeller is critical to the spread and impact of pollutants introduced into the water from outboard motors. Such propulsion systems vent exhaust gases under water where a complex mass transfer of missions occurs to water. This paper presents the modelling and simulation of the propeller velocity profiles and initial plume spread created by marine propellers using the computational fluid dynamics (CFD) software code FLUENT. The model is verified with experimental data measured using a Laser Doppler Anemometer (LDA) in the controlled environment of a laboratory flume channel. A working solution has been developed by employing the sliding mesh method and inducing a rotating flow field. The model has fair agreement with experimental results however the study has exhibited potential for model refinement and improvement. Considerably more work is needed to obtain an overall understanding of the flow field and gain an accurate description of the velocity profile downstream from the propeller.

Impact and interest:

1 citations in Scopus
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ID Code: 11823
Item Type: Conference Paper
Additional Information: For more information, please refer to the conference website (see hypertext link) or contact the author.
Additional URLs:
Keywords: Computational fluid dynamics, mixing and dispersion, propeller flow
ISBN: 9781864998948
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > INTERDISCIPLINARY ENGINEERING (091500) > Turbulent Flows (091508)
Australian and New Zealand Standard Research Classification > PHYSICAL SCIENCES (020000) > CLASSICAL PHYSICS (020300) > Fluid Physics (020303)
Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000)
Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000) > NUMERICAL AND COMPUTATIONAL MATHEMATICS (010300) > Numerical Analysis (010301)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2007 The University of Queensland
Copyright Statement: Copyright c 2007 The University of Queensland, Brisbane. This material is copyright but may be reproduced for the fair dealing purposes of research and study and any other purposes permitted by the Copyright Act 1968. Responsibility for the content of these papers rests upon the authors and not The University of Queensland. Data presented and conclusions developed by the authors are for information only and are not intended for use without independent substantiating investigation on the part of the potential user.
Deposited On: 11 Jan 2008
Last Modified: 29 Feb 2012 23:39

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