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Electric auxiliary propulsion for improved fuel efficiency and reduced emissions

Lookup NU author(s): Edward Sciberras, Dr Bashar Zahawi, Dr Dave Atkinson

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

Abstract

Auxiliary drives can provide an alternative propulsion system for marine vessels giving the potential to achieve improved environmental performance during low-speed sailing. In this work, two case vessels were considered for analysis, a Roll-On–Roll-Off ship and a harbour tug boat. Actual sailing operational profiles were used as the basis for energy considerations to assess the potential for lower emissions. An energy-centric simulation model was built to estimate the emission of various pollutants, considering different machinery set-ups. Results have shown that savings are possible, especially for vessels which run on residual fuels, where auxiliary drives provide a way of exploiting the advantages of cleaner sources for manoeuvring instances.

Publication metadata

Author(s): Sciberras EA, Zahawi B, Atkinson DJ, Juandó A

Publication type: Article

Publication status: Published

Journal: Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment

Year: 2015

Volume: 229

Issue: 1

Pages: 36-44

Print publication date: 01/02/2015

Online publication date: 19/07/2013

Acceptance date: 06/06/2013

Date deposited: 26/06/2015

ISSN (print): 1475-0902

ISSN (electronic): 2041-3084

Publisher: Sage Publications Ltd.

URL: http://dx.doi.org/10.1177/1475090213495824

DOI: 10.1177/1475090213495824

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