García Chocano, Víctor Manuel; Cabrera García, Suitberto; Sánchez-Dehesa Moreno-Cid, José(American Institute of Physics, 2012-10-29)
Absorption of broadband noise by sonic crystals consisting of microperforated cylindrical shells is proposed and experimentally demonstrated. The theoretical study has been performed in the framework of multiple scattering ...
García Chocano, Víctor Manuel; Sánchez-Dehesa Moreno-Cid, José(Elsevier, 2013-01)
[EN] We report acoustic barriers that are designed to attenuate efficiently broadband noise. The barriers are structures consisting of only three layers of cylindrical units containing rubber crumb, a sound absorbing ...