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Listar por palabra clave "Material characterization"

Mostrando ítems 1-9 de 9

Airborne ultrasounds for damaged cementitious characterization

Gosálbez Castillo, Jorge; CARRIÓN GARCÍA, ALICIA; Gallardo, C.; Vázquez, S.; Genovés, V.; Paya Bernabeu, Jorge Juan (Acoustical Society of America, 2019-09-06)

[EN] The scope of this paper is to demonstrate the capability of airborne non-contact ultrasound (ANC-US) to assess thermal damage on normalized Portland cement mortar specimens. For this purpose, contact ultrasound (C-US) ...
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 ...
Dielectric Measurement of Tissues

Zhang, Zixuan (Universitat Politècnica de València, 2021-05-13)

[ES] In this project, the student will need to analyse, design and implement a dielectric measurement software system which can be used to characterise the dielectric properties of single and double layered materials. The ...
Electrodeposición y caracterización de nanocolumnas de ZnO

Mirón Raso, Víctor (Universitat Politècnica de València, 2018-11-28)

[ES] El fin último de este trabajo es desarrollar y por lo tanto aprender a realizar las tareas propias de una investigación teórico-experimental en el área de Ciencia de Materiales. Con este objetivo global se ha planteado ...
Envases activos portadores de microorganismos para la bioconservación de alimentos

Settier Ramírez, Laura (Universitat Politècnica de València, 2021-10-29)

[ES] La presente tesis doctoral plantea distintas estrategias para el desarrollo y aplicación de envases activos portadores de agentes de biocontrol, con el fin de inhibir la proliferación de microorganismos como ...
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 ...
Intelligent Design of mmWave Conference Networks in Built Environments

Drozdowska, Monika Krystyna (Universitat Politècnica de València, 2025-09-26)

[ES] Las redes inalámbricas interiores son una parte integral de las comunicaciones actuales. Debido a la alta demanda de confiabilidad y la enorme densidad de redes interiores, algunas de ellas están migrando hacia las ...
Permittivity reconstruction of samples in rectangular waveguide

Hao, Hao (Universitat Politècnica de València, 2021-05-13)

[ES] In this project, the student will need to analyse, design and implement a dielectric measurement software system which can be used to characterise the dielectric properties of samples inside rectangular waveguides. ...
Ultrasound-Based Density Estimation of Composites Using Water-Air Interface

Aleksandrovas, Arturas; Rodríguez Martínez, Alberto; Svilainis, Linas; Casa, Miguel Angel De la; Salazar Afanador, Addisson (Publishing House Technologija, 2016)

[EN] In this paper we present a new method to obtain the density of solid composites using ultrasound. The method exploits the relation between density and acoustic impedance and only requires the measurement of a reference ...