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Browsing by Author "Arenas, Jorge P."

Now showing items 1-8 of 8

Acoustic characterization of recycled textile materials used as core elements in noise barriers

Rey Tormos, Romina María del; Bertó Carbó, Laura; Alba Fernández, Jesús; Arenas, Jorge P. (Institute of Noise Control Engineering, 2015-09-01)

[EN] Studies on new acoustic eco-materials are gaining importance as there is an increasing understanding about the benefits of the use of environmentally friendly materials. In producing noise control elements it is not ...
An electroacoustic method for measuring airflow resistivity of porous sound-absorbing materials

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. ...
An empirical modelling of porous sound absorbing materials made of recycled foam

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 ...
An Inverse Method to Obtain Porosity, Fibre Diameterand Density of Fibrous Sound Absorbing Materials

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 ...
Estimating the airflow resistivity of porous materials in an impedance tube using an electroacoustic technique

Rodríguez-Vercher, Juan-Carlos; Alba, Jesus; Arenas, Jorge P.; del Rey, Romina (Elsevier, 2022-12)

[EN] Airflow resistivity is an essential parameter for characterizing air-saturated porous sound-absorbing materials theoretically and selecting sound-absorbing materials in practice. Although standardized methods can ...
Evaluation of two alternative procedures for measuring airflow resistance of sound absorbing materials

Rey Tormos, Romina María del; Alba Fernández, Jesús; Arenas, Jorge P.; Ramis Soriano, Jaime (Polish Scientific Publishers, 2013)

[EN] It is well known that sound absorption and sound transmission properties of open porous materials are highly dependent on their airflow resistance values. Low values of airflow resistance indicate little resistance ...
Sound absorption properties of unbleached cellulose loose-fill insulation material

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 ...
Sound-Absorption Properties of Materials Made of Esparto Grass Fibers

Arenas, Jorge P.; Rey Tormos, Romina María del; Alba, Jesus; Oltra, Roberto (MDPI AG, 2020-07)

[EN] Research on sound-absorbing materials made of natural fibers is an emerging area in sustainable materials. In this communication, the use of raw esparto grass as an environmentally friendly sound-absorbing material ...