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Proposal for a shipborne auv refuel system

Blanco, Max (2010) Proposal for a shipborne auv refuel system At 29th International Conference on Ocean, Offshore and Artic Engineering OMAE 2010, China. 06 - 11 Jun 2010.

Record type: Conference or Workshop Item (Paper)

Abstract

Autonomous Underwater Vehicles (AUVs) are limited by the quantum of energy they can carry. Contemporary operational strategy is either to remove and replace the fuel source, or to refuel on-deck. Both strategies require the vehicle to surface, be recovered and be relaunched. This proposal obviates the time inefficiency by a novel arrangement of a shipborne electromechanical cable combined with a deepwater vehicle dock, similar to the concept of aerial refuel. The paper describes the almagamation of an algorithm due to Pode, Eames, Berteaux, and Knutson. The purpose here is to solve the differential cable equation in order to estimate loads and costs. A comparison between published data and the present algorithm satisfies reliability considerations.

The results of the present algorithm are extended to answer such questions as 1) how long a cable is needed under specified conditions?, and 2) what are the loads and moments felt at the ship? At least three electromechanical (EM) cables are specified. One steel EM cable and two kevlar EM cables are compared in terms of performance and cost. The frequency analysis of Milburn is repeated for the three cables. Survey-class AUVs are described and their salient parameters reviewed. Cable scopes required at increments of depth are tabulated for the kevlar cable. Detailed design can proceed based on this preliminary proposal.

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More information

Published date: 9 June 2010
Additional Information: OMAE2010-20413
Venue - Dates: 29th International Conference on Ocean, Offshore and Artic Engineering OMAE 2010, China, 2010-06-06 - 2010-06-11
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 160915
URI: http://eprints.soton.ac.uk/id/eprint/160915
PURE UUID: 1682d6b5-83cb-4326-a8af-d61ed36e9912

Catalogue record

Date deposited: 21 Jul 2010 12:36
Last modified: 18 Jul 2017 12:34

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Contributors

Author: Max Blanco

University divisions

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