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DESIGN AND EXPERIMENTATION OF HULL AND PROPELLER OF VERY FAST MOTOR YACHT

C Camporese, G Caprino, G. Di Lauro

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Abstract

This paper describes the methodology used by CETENA for the optimisation of a high-speed twin-screw round bilge hull. The ship is a 350t displacement motor yacht with a maximum speed up to about 40kn. Design and choice of main hull parameters are based on CETENA method; in this report we illustrate the various phases of the investigation and the experimental results obtained by towing tests. Regarding the propulsion, design specifications lead to a solution based on transcavitating propellers. In the regard we present the results of experimental comparison on models between Newton-Rader propellers and propellers designed with a methodology developed by CETENA.

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What this paper is about

This paper describes the methodology used by CETENA for the optimisation of a high-speed twin-screw round bilge hull. The ship is a 350t displacement motor yacht with a maximum speed up to about 40kn. Design and choice of main hull parameters are based on CETENA method; in this report we illustrate the various phases of the investigation and the experimental results obtained by towing tests. Regarding the propulsion, design specifications lead to a solution based on transcavitating propellers. In the regard we present the results of experimental comparison on models between Newton-Rader propellers and propellers designed with a methodology developed by CETENA.

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Available abstract

This paper describes the methodology used by CETENA for the optimisation of a high-speed twin-screw round bilge hull. The ship is a 350t displacement motor yacht with a maximum speed up to about 40kn. Design and choice of main hull parameters are based on CETENA method; in this report we illustrate the various phases of the investigation and the experimental results obtained by towing tests. Regarding the propulsion, design specifications lead to a solution based on transcavitating propellers. In the regard we present the results of experimental comparison on models between Newton-Rader propellers and propellers designed with a methodology developed by CETENA.

Key concepts: Towing, Hull, Propeller, Engineering, Marine engineering, Propulsion, Naval architecture, Displacement (psychology)

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