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Abstract

In this study, emission factors of both particle and gaseous phases are characterised on board two large cargo vessels operating on the east coast of Australia during manoeuvring conditions. In order to investigate the difference in particle number and mass size distributions, measurements were conducted on two 2-stroke engines of two vessels using Heavy Fuel Oil (HFO) with nearly the same sulphur content. Results showed that manoeuvring compared to ocean-going conditions resulted in higher emission factors for carbon monoxide (CO), carbon dioxide (CO2), unburnt hydrocarbon (HC), particulate matter (PM) and particle number (PN), which can have significant negative effects on human health and the environment in coastal and port areas. Importantly, a significant difference was observed in particle number size distributions between the two vessels. Those observed for Vessel II were mono-modal with the peak at 40–50 nm and dominated by ultrafine particles (D < 100 nm), while for Vessel I a bimodal distribution with a nucleation peak at around 20 nm and a major peak at larger diameter of 60 nm was observed. The difference in particle number size distributions between the two vessels may be due to the difference in sampling location and/or marine engine characteristics, including age and technology. The effects of fuel sulphur content on PN and PM emissions observed in this study are also compared with the results available from previous measurements in the literature. Engine load was also found to be an important influence on all emission factors.

Item Type:	Article
Authors/Creators:	Chu-Van, T and Ristovski, Z and Pourkhesalian, AM and Rainey, T and Garaniya, V and Abbassi, R and Kimball, R and Cong, NL and Jahangiri, S and Brown, RJ
Keywords:	ship emissions, manoeuvring conditions. emission factors, sulphur content, particle number size distributions
Journal or Publication Title:	Energy Reports
Publisher:	Elsevier
ISSN:	2352-4847
DOI / ID Number:	https://doi.org/10.1016/j.egyr.2019.10.001
Copyright Information:	Copyright 2019 The Author(s)Licensed under Creative Commons Attribution 4.0 International (CC BY 4.0)https://creativecommons.org/licenses/by/4.0/
Related URLs:	Google Scholar: Garaniya, V UTAS Profile: Garaniya, V
Item Statistics:	View statistics for this item

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