Rubio Michavila, Constanza; Uris Martínez, Antonio; Candelas Valiente, Pilar; Belmar Ibáñez, Francisco; Gómez Lozano, Vicente(American Institute of Physics, 2015)
[EN] The most usual method to reduce undesirable enviromental noise levels during its transmission is the use of acoustic barriers. A novel type of acoustic barrier based on sound transmission through subwavelength slits ...
[EN] The development of flat acoustic lenses for different applications such as biomedical engineering is a topic of great interest. Flat lenses like Fresnel Zone Plates (FZPs) are capable of focusing energy beams without ...
Estrada, Héctor; Uris Martínez, Antonio; Meseguer Rico, Francisco Javier(American Institute of Physics, 2012-09-03)
The radiation of sound by a periodically corrugated rigid piston is explored using theoretical and numerical approaches and compared with the radiation of flat rigid piston. The depth and the period of the corrugation are ...
The acoustic transmission response of plates perforated with fractal subwavelength holes array is studied. The Sierpinski Carpet pattern is used as fractal geometry. Ultrasound transmission spectra show that each iterative ...
[EN] In this work, we report the first experimental observation of a new type of near-field curved acoustic beam confirmed by simulations. This new curved acoustical beam is generated by asymmetric distribution of the ...
The improvement in focusing capabilities of a set of annular scatterers arranged in a
fractal geometry is theoretically quantified in this work by means of the finite element method
(FEM). Two different arrangements of ...
[EN] Nowadays the development of automated inspection systems based on six degrees of freedom robotic manipulators is a highly relevant topic in ultrasonic non-destructive testing. One of the issues associated with such ...
[EN] Nowadays, the search for new active and constructive learning methodologies is one of the pedagogical objectives in universities and other educational institutions. In the degrees taught at the Escola Tècnica Superior ...
Mateo Martínez, Begoña(Universitat Politècnica de València, 2016-01-07)
[EN] Comfort on board is, nowadays, one of the main reasons for the choice of transport means. Therefore, offering greater comfort is an advantage against other modes of mobility and the competition brought about by ...
[EN] This study evaluates the integration of the Sustainable Development Goals (SDGs), focusing on SDG 13 (Climate
Action), in higher education and its impact on students¿ awareness and knowledge at the Universitat ...
López Robledo, Carlos Javier(Universitat Politècnica de València, 2017-03-22)
Este trabajo de fin de grado se basa en el estudio, diseño y simulación de estructuras subwavelength con el objetivo final de comprobar si se pueden utilizar estas como lentes acústicas en el rango de los ultrasonidos. En ...
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] World agriculture is facing a great challenge since it is necessary to find a sustainable way to increase food production. Current trends in advancing the agriculture sector are based on leveraging remote sensing ...
Curvas de valoración NR permiten asignar al espectro de frecuencias de un ruido, medido en bandas de octava, un sólo número NR, el cual corresponde a la curva que queda por encima de los puntos que representan los niveles ...
[EN] In this study, we report the characteristics of acoustic jets obtained through a mesoscale (radius less than 5 wavelengths) ABS cylinder made with a 3D printer. We have analyzed the influence of cylinder size on the ...
Sierra Pastor, José(Universitat Politècnica de València, 2020-01-02)
[ES] En primer lugar se realizará una revisión bibliográfica de los diferentes modelos existentes, lo que permitirá seleccionar un modelo de cálculo de aislamiento acústico a ruido aéreo de particiones para su implementación ...
Alcaraz Henarejos, Alejandro(Universitat Politècnica de València, 2024-10-11)
[ES] La población mundial se encuentra ante el desafío de aumentar la producción de alimentos
de forma sostenible, haciendo un uso prudente de los recursos naturales, minimizando el consumo
de insumos y maximizando la ...
Costa Alegre, Loreto(Universitat Politècnica de València, 2011-10-11)
En el Plan Acústico Municipal de Llíria se analizan los niveles de ruido existentes en toda la superficie del término municipal, se estudian las fuentes sonoras causantes de la contaminación acústica, y se proponen una ...
Mateu Romero, Cristian Borja(Universitat Politècnica de València, 2018-11-02)
[ES] DESARROLLO E IMPLEMENTACION DE UN LABORATORIO DE ENSAYOS ACREDITADO PARA LA MEDICIÓN DE CONTAMINACIÓN ACÚSTICA Y RUIDO AMBIENTAL
Con la medición de la contaminación acústica y la aplicación de la legislación vigente ...
Tarrazó Serrano, Daniel(Universitat Politècnica de València, 2021-01-21)
[ES] La capacidad de controlar y modificar los haces de energía ha sido motivo de investigación por parte de la comunidad científica desde largo tiempo atrás. En el campo de la acústica, este control energético de las ondas ...