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Comparison of stopping modes for pod-driven ships by simulation based on model testing

Citation

Woodward, MD and Atlar, M and Clarke, D, Comparison of stopping modes for pod-driven ships by simulation based on model testing, Proceedings of the Institution of Mechanical Engineers Part M: Journal of Engineering for the Maritime Environment, 219, (2) pp. 47-64. ISSN 1475-0902 (2005) [Refereed Article]

DOI: doi:10.1243/147509005X10396

Abstract

Conventionally, the stopping of a ship is achieved by direct reversal of propeller rotation. However, the introduction of azimuthing pods presents other options. The following study examines the various modes that may be employed to stop a pod-driven ship. A continuous function is derived describing the hydrodynamic forces on both the propeller and the pod body for any load condition and helm angle, including fluid damping and added mass effects. The proposed function is validated through comparison with comprehensive open water model tests. Next, a time domain simulation algorithm is proposed to examine the dynamic effects including the mass inertia on both the propeller shaft and slewing stock. Finally, a simulation study for the proposed stopping modes is performed using a known design as a case study. Results and discussion are presented.

Item Details

Item Type:Refereed Article
Research Division:Engineering
Research Group:Maritime Engineering
Research Field:Naval Architecture
Objective Division:Transport
Objective Group:Water Transport
Objective Field:Water Transport not elsewhere classified
Author:Woodward, MD (Associate Professor Michael Woodward)
ID Code:114044
Year Published:2005
Deposited By:AMC Governance Office
Deposited On:2017-02-02
Last Modified:2017-02-02
Downloads:0

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