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handle: 10261/7252
[ES] La idea base de este trabajo, con la que se ha trabajado en el tanque de agua del Laboratorio de Acústica Submarina de la ETSIAN, es la interposición entre la superficie del mar y el hidrófono receptor de una pantalla o barrera horizontal fijada al fondo por encima del trasductor de modo que atenúe lo más posible el ruido de la superficie que llega en direcciones próximas a la vertical. Para ello se han empleado unas placas o láminas fabricadas por el CENIM con un nuevo material cuyas características principales se reseñan en el texto.
[EN] Here we examine the posibility of implementing some robust, light and low cost underwater acoustical barriers made with a new multilaminar composite material. A basic condition for this application is the very high resistance to corrosion of the material into the marine environment. Using wideband signals, similar to underwater explosions, the FFT spectrum of atenuation for a simple barrier model has been investigated in a water tank.
7 pp.-- PACS nr.: 43.30.Ky.-- Comunicación presentada en los siguientes congresos: XXX Jornadas Nacionales de Acústica – TecniAcústica 1999. Encuentro Ibérico de Acústica (Ávila, 20-22 Octubre 1999).
Se agradece a la CICYT la financiación del proyecto: "Desarrollo de un material compuesto multilaminar de matriz metálica".
Publicado en número especial de la Revista de Acústica: Vol 30(1999).
Peer reviewed
Wideband signals, Acoustical barriers, Underwater acoustics, FFT spectrum of atenuation, Resistance to corrosion, Multilaminar composite material
Wideband signals, Acoustical barriers, Underwater acoustics, FFT spectrum of atenuation, Resistance to corrosion, Multilaminar composite material
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