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Design of hybrid diesel-electric energy storage systems to maximize overall ship propulsive efficiency

Dedes, E, Hudson, Dominic A. and Turnock, Stephen R. (2010) Design of hybrid diesel-electric energy storage systems to maximize overall ship propulsive efficiency At PRADS 2010: 11th International Symposium on Practical Design of Ships and Other Floating Structures, Brazil. 19 - 24 Sep 2010. 11 pp.

Record type: Conference or Workshop Item (Paper)

Abstract

The concept of hybrid cars, where a combination of prime mover and energy storage allows a more efficient use of fuel shows considerable promise. Our work con-siders the same concept for ship propulsion using a storage medium in order to reduce the transient loads of the main engine (e.g. operation in rough sea, manoeuvre or speed variations) and applying a load levelling tech-nique. Emissions that are produced in transient cases are higher and the developed reduction techniques deal mainly with the optimum operational point. This work, using real operational data of Post Panamax vessels, correlates daily sea state and engine loading to propose and size alternative hybrid propulsion system to reduce emissions and fuel consumption. The latter are calcu-lated using the “as measured” fuel consumption; the bunker characteristics and widely adopted empirical formulae. Finally, the design issues of how hybrid tech-nology would potentially affect modern ship design, are examined along with the economic feasibility of the proposed scenarios

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More information

Published date: September 2010
Venue - Dates: PRADS 2010: 11th International Symposium on Practical Design of Ships and Other Floating Structures, Brazil, 2010-09-19 - 2010-09-24
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 166993
URI: http://eprints.soton.ac.uk/id/eprint/166993
PURE UUID: a4e8e8bd-9215-4bd0-bfe9-b003b32d3175
ORCID for Dominic A. Hudson: ORCID iD orcid.org/0000-0002-2012-6255
ORCID for Stephen R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 05 Nov 2010 08:55
Last modified: 18 Jul 2017 12:25

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