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Electric auxiliary propulsion for improved fuel efficiency and reduced emissions

Sciberras, Edward A / Zahawi, Bashar / Atkinson, David J / Juandó, Aitor

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.

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Electric auxiliary propulsion for improved fuel efficiency and reduced emissions

Sciberras, Edward A / Zahawi, Bashar / Atkinson, David J / Juandó, Aitor

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.

Electric auxiliary propulsion for improved fuel efficiency and reduced emissions

Sciberras, Edward A / Zahawi, Bashar / Atkinson, David J / Juandó, Aitor

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.

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Title:

Electric auxiliary propulsion for improved fuel efficiency and reduced emissions

Contributors:

Sciberras, Edward A (author) / Zahawi, Bashar (author) / Atkinson, David J (author) / Juandó, Aitor (author)

Published in:

Proceedings of the Institution of Mechanical Engineers, Part M: Journal of Engineering for the Maritime Environment ; 229 ; 36-44

Publication date:

2015-02-01

Size:

9 pages

ISSN:

2041-3084 , 1475-0902

DOI:

https://doi.org/10.1177/1475090213495824

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

Marine vehicles , permanent magnet machines , variable speed drives , air pollution

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