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Experimental and numerical study on trim and sinkage of a high speed catamaran vessel in shallow waterways

Experimental and numerical study on trim and sinkage of a high speed catamaran vessel in shallow... Many areas of seas, harbours and channels that were considered deep and safe for vessel navigation have been changed into dangerous shallow water regions for the new generation vessels due to their drastic increase in size and speed. Hence, the understanding of the safe speed of a vessel to prevent it from grounding when it operates in restricted waterways is gaining more importance. A catamaran vessel, being one of the new generation vessel configurations, is considered here to study the effect of its under-keel clearance of water and also its demi-hull spacing in the determination of a safe vessel speed. The numerical study using RANSE based CFD solver Fluent has been complemented by results obtained from experiments carried out in the towing tank of IIT Madras using the newly commissioned floating false bottom facility. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Shipbuilding Progress IOS Press

Experimental and numerical study on trim and sinkage of a high speed catamaran vessel in shallow waterways

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References (7)

Publisher
IOS Press
Copyright
Copyright © 2009 by IOS Press, Inc
ISSN
0020-868X
eISSN
1566-2829
DOI
10.3233/ISP-2010-0059
Publisher site
See Article on Publisher Site

Abstract

Many areas of seas, harbours and channels that were considered deep and safe for vessel navigation have been changed into dangerous shallow water regions for the new generation vessels due to their drastic increase in size and speed. Hence, the understanding of the safe speed of a vessel to prevent it from grounding when it operates in restricted waterways is gaining more importance. A catamaran vessel, being one of the new generation vessel configurations, is considered here to study the effect of its under-keel clearance of water and also its demi-hull spacing in the determination of a safe vessel speed. The numerical study using RANSE based CFD solver Fluent has been complemented by results obtained from experiments carried out in the towing tank of IIT Madras using the newly commissioned floating false bottom facility.

Journal

International Shipbuilding ProgressIOS Press

Published: Jan 1, 2009

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