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There are several advantages associated with a Trimaran hull, which makes it a unique concept in comparison with catamaran and monohull vessels. However, there is a limited understanding of trimaran motion responses and in particular, the roll characteristics that may occur in oblique seas. The research undertaken in this paper intends to develop a better understanding of the parameters influencing high-speed trimaran motions response in waves. A set of experimental tests for two configurations of a 1.6 m high-speed displacement trimaran model was conducted in a range of wave frequency, where a constant wave heading, and wave height is maintained. The results suggest that the position of the outriggers has a considerable impact on a trimaran performance in oblique seas. The results from this work lead to a better understanding of the parameters influencing the passenger comfort as well as optimising fuel consumption.

Item Type:	Refereed Conference Paper
Keywords:	high-speed trimarans, heave and pitch motions, oblique seas, experimental studies, roll motion, added resistance, clearance ratio
Research Division:	Engineering
Research Group:	Maritime engineering
Research Field:	Naval architecture
Objective Division:	Transport
Objective Group:	Water transport
Objective Field:	Domestic passenger water transport (e.g. ferries)
UTAS Author:	Nowruzi, L (Mr Leo Nowruzi)
UTAS Author:	Enshaei, H (Dr Hossein Enshaei)
UTAS Author:	Lavroff, J (Dr Jason Ali-Lavroff)
UTAS Author:	Kianejad, SS (Mr Seyedsadreddin Kianejadtejenaki)
UTAS Author:	Davis, M (Professor Michael Davis)
ID Code:	136933
Year Published:	In Press
Deposited By:	Seafaring
Deposited On:	2020-01-22
Last Modified:	2020-04-07
Downloads:	2 View Download Statistics