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Monotricat® hull, first displacement naval hull navigating at speeds of planing hulls, on spray self-produced, at high hydrodynamic efficiency and energy recovery
KTH, School of Computer Science and Communication (CSC), Centres, Centre for High Performance Computing, PDC.
KTH, School of Computer Science and Communication (CSC), Centres, Centre for High Performance Computing, PDC.
2015 (English)In: 18th International Conference on Ships and Shipping Research, NAV 2015, The European Marine Energy Centre Ltd , 2015, 38-47 p.Conference paper, Published paper (Refereed)
Abstract [en]

From the '50s, with the introduction of the first semi-planing hull of Nelson, which allowed to navigate with a certain tranquility at speeds higher than those of traditional hulls, and with the subsequent availability of more powerful engines, have been reached a speed equal to Fn greater than 0.6, which defines planing hulls. It was created so a clear distinction between displacement and planing hulls, in relation to the performances. The need to have naval units displacing faster has pushed the ship design to achieve increasingly high performance hulls, also focusing on the use of lightweight materials such as aluminum and more powerful engines, etc., but without substantially changing the traditional forms of hull. The patented hull Monotricat high hydrodynamic efficiency and energy saving represents the overcoming of this distinction between displacement and planing hulls, because, unlike previous solutions, is configured as the first hull that combines the characteristics of displacement and planning hull, since it presents an innovative architecture that could be defined as a hybrid between a monohull and catamaran, navigating on spray self-produced. This presentation will show how the hull Monotricat is the first displacement hull that can navigate at both displacement and planning speeds, with a resistance curve almost straight, maintaining the characteristics of a displacement hull. For these reasons the Monotricat hull is able to ensure: safety, comfort navigation, best seakeeping and maneuverability in restricted waters, stability, reduction of resistance to motion, cost management, regularity on the routes even in adverse weather-sea. These characteristics of the hull have been studied, tested and validated by leading research institutes and universities with more ameliorative results in each subsequent experimentation, reported in the present work, which demonstrated a greater hydrodynamic efficiency compared to conventional hulls tending to 20%.

Place, publisher, year, edition, pages
The European Marine Energy Centre Ltd , 2015. 38-47 p.
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-207204Scopus ID: 2-s2.0-85012919869ISBN: 9788894055719 (electronic)OAI: oai:DiVA.org:kth-207204DiVA: diva2:1117214
Conference
18th International Conference on Ships and Shipping Research, NAV 2015, 24 June 2015 through 26 June 2015
Note

QC 20170628

Available from: 2017-06-28 Created: 2017-06-28 Last updated: 2017-06-28Bibliographically approved

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