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Reducing ship emissions: a review of potential practical improvements in the propulsive efficiency of future ships

Reducing ship emissions: a review of potential practical improvements in the propulsive efficiency of future ships
Reducing ship emissions: a review of potential practical improvements in the propulsive efficiency of future ships
Environmental issues such as the emission of greenhouse gases, pollution, wash and noise are having an increasing impact on the design and operation of ships. These environmental issues together with economic factors, such as rising fuel costs, all ultimately lead to the need to minimise ship propulsive power. Various methods and devices for reducing propulsive power are reviewed and discussed. The most favourable methods, from a feasible and practical point of view,are identified and quantified. It is found that potential reductions in the resistance of existing good hull forms are relatively small, but optimising hull-propeller-rudder interaction offers very promising prospects for improvement. The biggest potential savings in power arise from optimised operational strategies such as the use of optimum trim, speed and weather routeing. Potential conflicts of interest when considering both economic and environmental requirements are investigated and discussed. Suitable design methodologies and procedures, taking into account economic and environmental factors, are suggested for the design of future ships.
ship energy efficiency, ship emissions
175-188
Molland, A.F.
917272d0-ada8-4b1b-8191-1611875ef9ca
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Hudson, D.A.
3814e08b-1993-4e78-b5a4-2598c40af8e7
Utama, I.K.A.P.
0449bcc4-a91f-46d8-b337-5885d64d01fe
Molland, A.F.
917272d0-ada8-4b1b-8191-1611875ef9ca
Turnock, S.R.
d6442f5c-d9af-4fdb-8406-7c79a92b26ce
Hudson, D.A.
3814e08b-1993-4e78-b5a4-2598c40af8e7
Utama, I.K.A.P.
0449bcc4-a91f-46d8-b337-5885d64d01fe

Molland, A.F., Turnock, S.R., Hudson, D.A. and Utama, I.K.A.P. (2014) Reducing ship emissions: a review of potential practical improvements in the propulsive efficiency of future ships. Transactions of The Royal Institution of Naval Architects Part A: International Journal of Maritime Engineering, 156, 175-188. (doi:10.3940/rina.ijme.2014.a2.289).

Record type: Article

Abstract

Environmental issues such as the emission of greenhouse gases, pollution, wash and noise are having an increasing impact on the design and operation of ships. These environmental issues together with economic factors, such as rising fuel costs, all ultimately lead to the need to minimise ship propulsive power. Various methods and devices for reducing propulsive power are reviewed and discussed. The most favourable methods, from a feasible and practical point of view,are identified and quantified. It is found that potential reductions in the resistance of existing good hull forms are relatively small, but optimising hull-propeller-rudder interaction offers very promising prospects for improvement. The biggest potential savings in power arise from optimised operational strategies such as the use of optimum trim, speed and weather routeing. Potential conflicts of interest when considering both economic and environmental requirements are investigated and discussed. Suitable design methodologies and procedures, taking into account economic and environmental factors, are suggested for the design of future ships.

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Published date: 2014
Keywords: ship energy efficiency, ship emissions
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 365032
URI: http://eprints.soton.ac.uk/id/eprint/365032
PURE UUID: 1a8b493a-77d8-4d24-b54f-536f60d675bd
ORCID for S.R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400
ORCID for D.A. Hudson: ORCID iD orcid.org/0000-0002-2012-6255

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Date deposited: 21 May 2014 11:00
Last modified: 28 Apr 2022 01:38

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Contributors

Author: A.F. Molland
Author: S.R. Turnock ORCID iD
Author: D.A. Hudson ORCID iD
Author: I.K.A.P. Utama

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