Mixing and dispersion of pollutants emitted from an outboard motor

Situ, Rong & Brown, Richard J. (2013) Mixing and dispersion of pollutants emitted from an outboard motor. Marine Pollution Bulletin, 69(1-2), pp. 19-27.

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Abstract

This paper quantifies the mixing and dispersion from an outboard motor by field experiments in a small subtropical waterway. Organic dye was used as a surrogate for exhaust emissions and was mixed with uncontaminated creek water before being dispersed into the creek. Dye concentrations were measured with an array of concentration probes stationed in the creek. The data were then processed and fitted with a power law function. The corresponding dispersion constants agreed well with the literature. However, the amplitude was lower than the IMO equation but higher than the correlation from laboratory tests. Results for dye concentration intermittency (presence of dye) are presented for the first time from such field measurements and show significant mixing in-homogeneity.

Impact and interest:

3 citations in Scopus
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2 citations in Web of Science®

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49 since deposited on 11 Aug 2013
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ID Code: 61764
Item Type: Journal Article
Refereed: Yes
Keywords: Four-stroke outboard emissions; Mixing; Dispersion; Emission modeling; Outboard pollution; Intermittency
DOI: 10.1016/j.marpolbul.2012.12.015
ISSN: 0025-326X
Divisions: Current > QUT Faculties and Divisions > Science & Engineering Faculty
Copyright Owner: Copyright 2013 Elsevier
Copyright Statement: This is the author’s version of a work that was accepted for publication in Marine Pollution Bulletin. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Marine Pollution Bulletin, [VOL 69, ISSUE 1-2, (2013)] DOI: 10.1016/j.marpolbul.2012.12.015
Deposited On: 11 Aug 2013 22:13
Last Modified: 08 May 2014 08:00

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