Carbajo San Martín, Jesús; Ramis Soriano, Jaime; Godinho, Luis; Amado-Mendes, Paulo; Alba Fernández, Jesús(Elsevier, 2015-04-01)
Most of the analytical models devoted to determine the acoustic properties of a rigid perforated panel consider the acoustic impedance of a single hole and then use the porosity to determine the impedance for the whole ...
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 ...
Alba, Jesus; Arenas, Jorge P.; Rey Tormos, Romina María del; Rodríguez-Vercher, Juan-Carlos(Elsevier, 2019)
[EN] In this paper, a method for measuring the airflow resistivity of air-saturated porous sound-absorbing materials is presented. The method is based on a modification of the previous device developed by Dragonetti et al. ...
Rey Tormos, Romina María del; Alba Fernández, Jesús; Arenas, Jorge P.; Sanchis Rico, Vicente Jorge(Elsevier, 2012-07)
Polyurethane foam waste is one of the residues of the manufacturing processes in textile industry, the disposal of which is becoming a severe environmental problem. In this paper the sound absorption properties of different ...
Alba Fernández, Jesús; Rey Tormos, Romina María del; Ramis Soriano, Jaime; Arenas, Jorge P.(Polish Scientific Publishers, 2011-09)
Characterization of sound absorbing materials is essential to predict its acoustic behaviour. The most commonly used models to do so consider the flow resistivity, porosity, and average fibre diameter as parameters to ...
Rey Tormos, Romina María del; Uris Martínez, Antonio; Alba, Jesus; Candelas Valiente, Pilar(MDPI AG, 2017-11-07)
[EN] In recent years, natural materials are becoming a valid alternative to traditional sound
absorbers due to reduced production costs and environmental protection. This paper reports the
acoustical characterization of ...
[EN] In recent years, the interest in reusing recycled fibers as building materials has been growing as a consequence of their ability to reduce the production of waste and the use of virgin resources, taking advantage of ...
Segura Alcaraz, Jorge Gabriel; Crespo Amorós, José Enrique; Juliá Sanchis, Ernesto; Nadal Gisbert, Antonio Vicente; Gadea Borrell, José Mª(Federación de Asociaciones de Ingenieros Industriales de España (FAIIE), 2014-01)
[EN] The present study is conducted to characterize multilayer acoustic panels made from recycled tire rubbers (GTR’s) in order to determine the sound absorption characteristics of these new materials for different ...
Gilabert Ramón, María Teresa(Universitat Politècnica de València, 2018-11-05)
Este trabajo fin de máster consiste en la realización de un estudio numérico mediante
elementos finitos sobre sistemas de mitigación sonora del ruido producido por los
cohetes espaciales durante la fase de despegue. Este ...
Sánchez-Dehesa Moreno-Cid, José; García Chocano, Víctor Manuel; Torrent Martí, Daniel; Cervera Moreno, Francisco Salvador; Cabrera García, Suitberto; Simon, Francisco(Acoustical Society of America, 2011-03)
A systematic study of noise barriers based on sonic crystals made of cylinders that use recycled materials like absorbing component is reported here. The barriers consist of only three rows of perforated metal shells filled ...
Ramis Soriano, Jaime; Alba Fernández, Jesús; Rey Tormos, Romina María del; Escuder Silla, Eva María; Sanchis Rico, Vicente Jorge(Consejo Superior de Investigaciones Científicas (CSIC), 2010)
Acoustic Standards in the building are responsible for, companies and individuals, propose new acoustic materials for the sound isolation. This paper presents a new sound-absorbent material, it is based on natural fibres, ...
Rey Tormos, Romina María del; Alba Fernández, Jesús; Ramis Soriano, Jaime; Sanchis Rico, Vicente Jorge(Consejo Superior de Investigaciones Científicas (CSIC), 2011)
In the building acoustics field usually fibrous materials are used as sound absorbing materials. Nowadays polyester fiber is one of the most used but the pure chip of polyester has a problem. Polyester is obtained of ...
Segura-Alcaraz, María Del Pilar; Bonet-Aracil, M.; Segura Alcaraz, Jorge Gabriel; Montava Segui, I.(IOP Publishing, 2017)
[EN] Acoustic comfort is a basic human need. One of the adverse effects of noise is its interference with speech discrimination. Textile materials are suitable to be used as sound absorptive materials and thus help to ...
Arenas, Jorge P.; Rebolledo, Juan; Rey Tormos, Romina María del; Alba Fernández, Jesús(North Carolina State University, 2014-11)
[EN] Recyclable cellulose loose-fill insulation has been commonly used in heavy timber construction for treating attic areas, under floors, and wall cavities. Through the kraft process, the unbleached cellulose adopts a ...