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Free surface interaction of a ‘T-foil’ hydrofoil [PDF]

open access: yes, 2019
This thesis presents an investigation of the flow field around the tip vortex of a t-foil hydrofoil. The objective of the investigation was to gain understanding of the mechanisms surrounding the inception of tip vortex ventilation of t-foil hydrofoils which will inform the evolution of the next generation of t-foil hydrofoil design for both commercial
Ashworth Briggs, AJE (15934286)
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Low Reynolds Number Performance of a Model Scale T-Foil

International Journal of Maritime Engineering, 2015
"Submerged T-foils are an essential forward component of the ride control systems of high speed ferries. A model scale T-Foil for a 2.5m towing tank model of a 112m INCAT Tasmania high-speed wave-piercer catamaran has been tested for both static and dynamic lift performance.
J AlaviMehr, M R Davis, J Lavroff
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MULTIOBJECTIVE CONTROL OF FLAPS AND T-FOIL IN HIGH-SPEED SHIPS

IFAC Proceedings Volumes, 2002
Abstract Fast sea transportation of passengers must considered safety and comfort requirements. Due to waves, there are heaving and pitching motions. These motions originate sea-sickness and can have negative effects on the ship. By means of submerged actuators, vertical motions can be smoothed. This paper considers the real case of a fast ferry with
S. Esteban   +4 more
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Fast Catamaran Seakeeping Amelioration Using T-foils and Interceptors

2011 4th International Conference on Intelligent Networks and Intelligent Systems, 2011
Fast catamaran holds excellent performance because of its high transverse stability, large deck, economy of fuel consumption and high speed. However, the high-speed craft can easily make "twist" oscillation in moderate to rough sea conditions due to its low length to beam ratio and relatively lightweight.
Zhiqun Guo   +3 more
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Experimental study of controlled T-foil for vertical acceleration reduction of a trimaran

Journal of Marine Science and Technology, 2018
The trimaran has excellent navigation and high-speed performance. Fast ferries and transportation vessels have adopted the multi-hull design. However, when the trimaran navigates under high speed, the heave and pitch motions need to be restraint.
Zhi Zong, Yifang Sun, Yichen Jiang
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Fast Ferry Vertical Accelerations Reduction with Active Flaps and T-Foil

IFAC Proceedings Volumes, 2000
Abstract The research deals with the design and use of actuators to improve the seakeeping performances of a fast ferry. The interest of the research is now restricted to heaving and pitching motions, with heading sea. The ship has active control surfaces (flaps and T-foil). The paper presents a control-oriented model of these actuators, in SIMULINK.
S. Esteban   +5 more
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Simulation of Fast Trimaran Seakeeping Amelioration Using T-foil

2011
Fast trimaran holds excellent performance because of its high transverse stability, large deck, economy of fuel consumption and high speed. However, the highspeed craft can easily make 1œdolphin movement1 in heading seas. The T-foil is the most effective stabilizer for alleviating the pitch and heave motions of fast craft.
Lin Zhuang   +3 more
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Improving the vertical motion of wave piercing catamaran using T-foil

2013 IEEE International Conference on Mechatronics and Automation, 2013
Wave Piercing Catamarans play an important role in ocean transportation with explicitly military objectives. Wave-induced vertical motion is particular sharp while in the process of high speed. The T-foil is an effective device to counteract the effect of wave in the heaving and pitching direction.
Lihua Liang   +2 more
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