Herrero Durá, Iván; Picó Vila, Rubén; Sánchez Morcillo, Víctor José; García Raffi, Luis Miguel; Romero García, Vicente(2017)
[EN] The high acoustic pressure levels experienced by
spacecrafts and launchers during the lift-off are due,
among other factors, to the reflection of the sound waves
in the launch pad. We propose in this work the use ...
Picó Vila, Rubén; Herrero-Durá, Iván; Sánchez Morcillo, Víctor José; Salmerón-Contreras, L. J.; García-Raffi, L. M.(Universidade do Porto, 2016-06-15)
[EN] The acoustic pressure levels experienced by the spacecraft and launchers during the lift-off is due among other factor by the reflection of the sound waves on the launch pad. The acoustic load distribution in the area ...
Herrero Durá, Iván(Universitat Politècnica de València, 2020-06-19)
[ES] Los niveles de presión acústica experimentados por las naves espaciales y las lanzaderas durante las fases iniciales del lanzamiento (ignición de motores y despegue) pueden ser muy significativos para estructuras ...
[EN] Since remote sensing of ocean colour began in 1978, several ocean-colour sensors have been launched to measure ocean properties. These measures have been applied to study water quality, and they specifically can be ...
Herrero Durá, Iván; Zaragozá Dolz, José Javier; Picó Vila, Rubén; Sánchez Morcillo, Víctor José; García-Raffi, L. M.(Sociedad Española de Acústica (SEA), 2015)
[EN] In this experimental study the attenuation properties
of the sound transmitted through a multilayer structure is
analyzed. The layers consist of a saturated gas-vapordroplet
suspension with a known size distribution. ...
[EN] The broadband reduction of the specular reflections by sonic crystals (SCs) is theoretically and experimentally reported in this work. The analysed system consists of a sound source radiating a SC made of acoustically ...
Núñez Rodríguez, Luis(Universitat Politècnica de València, 2017-09-25)
A Laser Doppler Vibrometer is an instrument to measure vibrations which consists of a laser that is directed at the vibrating surface to be characterized. Due to the Doppler effect, the frequency of reflected laser light ...
Herrero Durá, Iván; Cebrecos Ruiz, Alejandro; García Raffi, Luis Miguel; Romero-García, Vicente(Universitat Politècnica de València, 2019-07-31)
[EN] Matrices are introduced in mathematical subjects in connection with vector spaces and linear algebra, being disconnected from their applications in other fields of science and engineering studies. The transmission of ...
Herrero Durá, Iván(Universitat Politècnica de València, 2014-11-26)
En aquest treball es presenta un estudi experimental en el qual s’analitzen les
propietats d’atenuació del so transmès a través d’una estructura multicapa,
cadascun dels elements de la qual consisteix en una làmina formada ...
García-Raffi, L. M.; Salmerón-Contreras, L. J.; Herrero-Durá, Iván; Picó Vila, Rubén; Redondo, Javier; Sánchez Morcillo, Víctor José; Cebrecos, Alejandro; Jimenez, Noe; Romero García, Vicente; Staliunas, K.(Universidade do Porto, 2016-06-15)
[EN] From the acoustical point of view one of the most extreme events is the lift-off of a rocket. In such events, an enormous amount of energy is liberated in the form of acoustic waves that are reflected in the launch ...
Herrero-Durá, Iván; Cebrecos, Alejandro; Picó Vila, Rubén; Romero-García, Vicente; García-Raffi, L. M.; Sánchez Morcillo, Víctor José(MDPI AG, 2020-03)
[EN] We report a theoretical and experimental study of an array of Helmholtz resonators optimized to achieve both efficient sound absorption and diffusion. The analysis starts with a simplified 1D model where the plane ...
Herrero-Durá, Iván; Picó Vila, Rubén; Sánchez Morcillo, Víctor José; García-Raffi, L. M.; Romero García, Vicente(Universidade do Porto, 2016-06-15)
[EN] A resonant sonic crystal made of solid elastic clamped beams is experimentally analysed in this work. The sonic crystal studied in this work has three characteristics: (i) a low filling fraction, (ii) a high frequency ...