Technical University of Madrid
  Naval Architecture Department - Model Basin -

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  - Passive stabilizing tank -
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Anti-roll tanks

A passive anti-roll tank basically consists of inner space of a ship between the hull, two decks and two bulkheads, that has a certain inner configuration and contains a certain amount of fluid, generally sea water. Its purpose is the reduction or damping of the ship rolling movement. To obtain to the maximum reduction in the rolling movement, it is necessary to design it correctly.

To design a passive anti-roll tank consists on the one hand of establishing the most suitable inner geometric configuration, with the restrictions derived from the ship general arrangement, maximum size, etc. On the other hand it consists of defining, based on the sea state and the load condition, the amount of water that the tank must contain. We are also working in numerical techniques of simulation for the design of these tanks.

During the last ten years we have projected the following anti-roll tanks :

• Study of behavior of a passive tank stabilizer for a vessel of 95.8 m. tuna overall length. CINTRANAVAL-DEFCAR, S.L. 2010
• Study of behavior of a stabilizer tank C820 passive construction. Astilleros de Huelva. 2010
• Study of behavior of a passive stabilizer tank on the ship Saint Pierre. PESCACHILE S.A. 2010
• Study of behavior of a passive stabilizer tank two auxiliary fishing vessels of 34 m. between perpendiculars.CINTRANAVAL-DEFCAR, S.L.2010
• Feasibility study of passive stabilizer tank on a ship SUPPLY OF 72 M. OF LPP.SEAPLACE, SL 2009.
• Study of behavior of a passive tank stabilizer for a vessel ROV / DIVIG SUPPORT, construction N.400.Astilleros Balenciaga, SA2009.
• Study of behavior of a passive stabilizer tank factory ship ARMON construcción.Astilleros Vigo, SA 2009.
• Study of behavior of a passive stabilizer tank construction N. 437. Astilleros Balenciaga, SA 2009.
• Behavior Study of a passive stabilizer tank on the ship ROBIN M: LEE. Construcciones Navales P. Freire, SA January 2003.
• Behavior Study of a passive tank stabilizer building No. 527. Construcciones Navales P. Freire, SA December 2002.
• Behavior Study of a passive tank stabilizer OFFSHORE SUPPORT VESSEL ship, CONST: No. 399, for Astilleros Balenciaga. August 2002.
• Study of behavior of a passive tank stabilizer OFFSHORE SUPPORT VESSEL ship, Cons. No. 427, for Astilleros Balenciaga, SA October 2001.
• Assessment Tests at sea of ​​a passive stabilizer tank on a hospital ship of 85 m in length, to IZAR Construcciones Navales, S.A. Astillero de Gijón. June 2001.
• Theoretical study of the behavior of a passive stabilizer tank for building B-191 for ASTILLEROS ARMÓN, S.A. September 2000.
• Theoretical study of the behavior of a passive stabilizer tank for building B-173, for ASTILLEROS ARMÓN, S.A. June 2000.
• Study of behavior of a passive tank ship estailizador for CALVOPESCA tuna, for HIJOS DE J. BARRERA, S.A. March 2000.
• Theoretical study of the behavior of a passive stabilizer tank for a freezer longline vessel 40 m in length, for ASTILLEROS ARMÓN, S.A. April 2000.
• Theoretical Study of behavior of a passive stabilizer tank for a tuna vessel, for HIJOS DE J. BARRERA, S.A. March 2000.
• Hydrodynamic study of the elongation of a research vessel fishing for ALBACORA, S.A. December 1999.
• Hydrodynamic study of a ship hotel for UNION NAVAL DE VALENCIA SA, November 1999.
• Passive stabilizer for a hospital ship 85m. length for  JULIANA CONSTRUCTORA GIJONESA S.A., October 1999.
• Hydrodynamic study of a passive stabilizer tank on the ship Supply
• Building No 388 for ASTILLEROS BALENCIAGA S.A, February 1999.
• Hydrodynamic study of a passive stabilizer tank on the ship Supply Building No 388 for ASTILLEROS BALENCIAGA, S.A, February 1999.
• Study of behavior of a passive tank stabilizer for a vessel of 91.50 m. tuna length for "INPESCA" to CINTRANAVAL S.L., October 1998.
• Study of behavior of a passive tank stabilizer for cable ship "HJB-1907", for HIJOS DE J. BARRERAS S.A. October 1998.
• Study of behavior of a passive tank stabilizer for a vessel Cala Salada. For COMPAÑIA TRASMEDITERRANEA S.A., in February 1997.
• Study of behavior of a passive stabilizer tank for a fishing research vessel of 43m. length. for HIJOS DE J. BARRERAS S.A., August 1997.
• Study of behavior of a passive stabilizer tank on the ship ALBACORA DOS, for HIJOS DE J. BARRERAS S.A., October 1997.
• Study of behavior of a passive stabilizer tank for a tuna vessel of 72.60 m in length for Pevasa to Cintranaval SL, December 1997.
• Study for the optimization of ship roll behavior Doniene, for HIJOS DE J. BARRERAS S.A., in February 1998.
• Study of behavior of a passive stabilizer tank for a trawler of 70.00 m. length, for ASTILLEROS Y MAESTRANZAS DE LA ARMADA DE CHILE,, June 1998.
• Study of behavior of a passive tank stabilizer for a vessel of 91.50 m. tuna length for INPESCA to Cintranaval SL, October 1998.
• Study of behavior of a passive tank stabilizer for cable ship HJB-1907, for HIJOS DE J. BARRERAS S.A. October 1998.
• Study of behavior of a passive stabilizer tank for ONE ALBACORA tuna vessel. For HIJOS DE J. BARRERAS S.A., July 1996
• Study of behavior of a passive stabilizer tank for tuna vessel MARIE JO. To Cintranaval S. L., April 1996
• Study of behavior of a passive tank stabilizer C/1148 tuna vessel. For HIJOS DE J. BARRERAS S.A., November 1995.
• Study of optimization of behavior in balan-ce of the cable ship (C/1452 HJ Barreras, SA) using a stabilizer tank is passive vo. To HIJOS DE J. BARRERAS S.A. 1991.
• Study of a new interior configuration of the tank is stabilizer of the oceanographic research vessel (Project B-204 of EN Bazan). EMPRESA NACIONAL BAZAN. 1990.
• Study of a new interior configuration of the tank is stabilizer of the oceanographic research vessel (Project B-204 of EN Bazan). EMPRESA NACIONAL BAZAN. 1990.
• Study of optimization of the behavior of the ship balan-ce-Txori Aundi-(INPESCA, SA) through a passive stabilizer tank. To INPESCA, SA 1989.
• Study of optimization of balan-ce behavior of tuna vessel of 69.2 m. LPP (Astilleros de Huelva C/461) using a tank-bili-organizer is passive. To Astilleros de Huelva, SA 1989.
• Study of the behavior in the balance of oceanographic research vessel (Project B-204 of EN BAZAN) in irregular seas. EMPRESA NACIONAL BAZAN (Factory CARTAGENA). 1989.
• Study of optimization of behavior in bal-ce-hydrographic research vessel (C.284-SAN FERNANDO BAZAN of) using a passive stabilizer tank. For EMPRESA NACIONAL BAZAN (SAN FERNANDO Factory). 1989.
• Testing a passive tank stabilizer for freezer tuna vessel 91 meters in length C/1527 HIJOS DE J. BARRERAS SA. For children of J. BARRIERS SA 1989.
• Testing a passive tank stabilizer for ships Montelape GENERAL Montealegre and tuna, SA For GENERAL DE TUNIDOS, S.A. 1988.
• Optimization of a tuna stabilizer tanks freezer 79 m. overall length. ASTILLEROS REUNIDOS DEL NERVION, SA 1988

Model Basin - Naval Architecture Department (ETSIN)
Technical University of Madrid (UPM)
Avda. Arco de la Victoria s/n - 28040 Madrid
Tel : +34913367154, +34913367155, +34913367156, Fax : +34913367154