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Barge pour environnements type Bresil : essais en bassin ArchiMer
Le Boulluec, Marc; Maisondieu, Christophe; Du Plessix, Guillaume; Cordeau, Cyril.
drilling capability designed by SAIPEM for oil production offshore Brazil or area with equivalent environmental conditions. A central moon-pool is surrounded by a system of walls and columns above an immersed pontoon. An upper deck is situated above the water line. Sea water can flow between walls and columns above the pontoon. The aim of wave tank experiments is to validate the preliminary sea keeping calculations and study the free surface effects inside the moon-pool and above the pontoon.
Tipo: Text Palavras-chave: Hydrodynamique; Essais en bassin; Houle; Surélévations; Diffraction; Radiation; Moon-pool.
Ano: 2005 URL: http://archimer.ifremer.fr/doc/00170/28169/26403.pdf
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Etude expérimentale pour l'optimisation des performances d'une plage d'amortissement parabolique ArchiMer
Le Boulluec, Marc; Kimmoun, Olivier; Molin, Bernard.
An optimisation study was run before rebuilding the damping beach of the Ifremer Ocean Engineering Basin. Trials were conducted at a ¼ geometrical scale at Ecole Centrale de Marseille in a wave tank reproducing the original performance of the beach. A series of modifications was studied : incidence, device between the beach and the adjacent wall, porosity. Porosity was shown as the most efficient tool to enhance the beach absorption and full scale measurements revealed that the resulting damping coefficient was less than 10 % for all usual periods and amplitudes.
Tipo: Text Palavras-chave: Hydrodynamique; Essais en bassin; Houle; Réflexion; Amortissement; Plage; Hydrodynamics; Wave tank testing; Reflection; Damping beach.
Ano: 2007 URL: http://archimer.ifremer.fr/doc/00170/28170/26404.pdf
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