Reference : Air Cavity ship as a solution to reduce frictional resistance
Scientific congresses and symposiums : Unpublished conference
Engineering, computing & technology : Mechanical engineering
http://hdl.handle.net/2268/133927
Air Cavity ship as a solution to reduce frictional resistance
English
[fr] Les bateaux à cavité comme solution pour réduire la résistance de frottement
Lapy, Matthieu mailto [Université de Liège - ULg > Département ArGEnCo > Constructions hydrauliques et navales >]
Hage, André mailto [Université de Liège - ULg > Département Argenco : Secteur TLU+C > ANAST (Systèmes de transport et constructions navales) >]
6-Nov-2012
9
No
Yes
International
1st International Congress of Naval Aero-Hydrodynamic
Du 6 au 7 novembre 2012
Pr. Mokhtari Abdallah, LAHN Laboratory, University of Sciences and Technology of Oran
Oran
Algérie
[en] Friction reduction ; air cavity ship
[en] Frictional resistance is an important part of the total resistance of a ship, especially when the Froude number is small. There exists different ways to reduce it, like riblets, polymer injection, air lubrication and air cavity. The first two techniques are hard to implement for full-scale ships. The air lubrication is subjected to plenty of research for around twenty years and could lead to resistance reduction up to 80%. Unfortunately, full-scale tests do not present the same results. The principle of air cavity ships is quite different, in the sense that air is blocked under the hull. The system exists for more than 100 years, but does not seem to convince the naval architects, although it can reduce the resistance up to 20%. The problem is that it can increase the resistance. Better knowledge of the phenomena is then necessary.
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/133927

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