González Guisasola, Carlos Francisco(Universitat Politècnica de València, 2015-05-18)
[EN] A characterization metodology for Direct Alcohol Polymeric Fuel Cell membranes is proposed based on
dielectric properties. Nafion 117 is tested as reference and in-lab crosslinked PVA membranes with SSA
and SSA-PAA ...
Gutiérrez Cano, José Daniel; Catalá Civera, José Manuel; Bows, John; Penaranda-Foix, Felipe L.(Elsevier, 2017-06)
[EN] The in situ dielectric properties of a starch-based food pellet have been measured during microwave expansion. A dual-mode cylindrical cavity allowed simultaneous microwave heating and dielectric measurements of a ...
Catalá Civera, José Manuel; Canós Marín, Antoni Josep; Plaza González, Pedro José; Gutiérrez Cano, José Daniel; García Baños, Beatriz; Penaranda-Foix, Felipe L.(Institute of Electrical and Electronics Engineers (IEEE), 2015-09)
A microwave cavity and heating system for microwave processing and in situ dynamic measurements of the complex permittivity of dielectric materials at high temperatures (~1000ºC) has been developed. The method is based on ...
Favero, Diana; Marcon, Victória; Agnol, Lucas Dall; Gómez, Clara M.; Cros, Ana; Garro, Nuria; Sanchis Sánchez, María Jesús; Carsí Rosique, Marta; Figueroa, Carlos A.; Bianchi, Otávio(John Wiley & Sons, 2022-07-20)
[EN] This publication highlights the effect that different chain extenders (CEs) have on the structure-property relationships of soy-based polyurethanes that have been exposed to hydrolytic degradation for 480 and 960 h ...
Gutiérrez Cano, José Daniel; Hamilton, Ian E.; Catalá Civera, José Manuel; Bows, John; Penaranda-Foix, Felipe L.(Elsevier, 2018)
[EN] The evolution of dielectric properties of starch-based food pellets with different moisture contents was measured during microwave expansion to determine the effect of water content on the expansion dynamics.
Dynamic ...
[EN] The relation between electric and mechanical properties of dielectric elastomers allows using them as energy convertors under some conditions. The process is based on the relations between mechanical and electrical ...
Beirnaert, Karel(Universitat Politècnica de València, 2021-09-06)
[ES] El quitosano es uno de los biopolímeros biodegradables renovables más abundantes con buenas propiedades antimicrobianas, antioxidantes y absorbentes de disolventes, que se puede utilizar en aplicaciones tales como ...
Sanchis Felguera, Iván(Universitat Politècnica de València, 2022-10-04)
[ES] Actualmente, las demandas de campos como la robótica blanda, los textiles inteligentes, las pieles electrónicas o los dispositivos de monitorización de la salud, todos ellos integrados en el conocido como Internet of ...
Botella Campello, Youmana Fina(Universitat Politècnica de València, 2018-09-18)
[ES] El georradar es una técnica de ensayo de materiales que cada vez está más presente en diferentes campos de estudio debido a su carácter no destructivo. De hecho, es una técnica que en edificación se emplea cada vez ...
Molero Alabau, Rubén(Universitat Politècnica de València, 2019-11-22)
[ES] Se ha demostrado en diversos estudios los efectos no térmicos de las ondas milimétricas (MMW) en sistemas biológicos. Algunos autores han demostrado que las MMW pueden mejorar la difusión de los iones en soluciones ...
Tomás Egea, Juan Ángel(Universitat Politècnica de València, 2022-04-29)
[ES] El objetivo de la presente tesis es el de desarrollar y utilizar técnicas basadas en la fotónica de baja frecuencia, como la radiofrecuencia, las microondas y los infrarrojos, para monitorizar de forma no destructiva ...
Penaranda-Foix, Felipe L.; Janezic, Michael D.; Catalá Civera, José Manuel; Canós Marín, Antoni Josep(Institute of Electrical and Electronics Engineers (IEEE), 2012-09)
In this paper, a full-wave method for the electromagnetic analysis of dielectric-loaded cylindrical and coaxial waveguides and cavities is developed. For this purpose, a new four-port ring network is proposed, and the ...
[EN] Tissue phantoms are widely used for assessing the interaction between the electromagnetic waves and the human body. These are especially key in body area networks, where the body itself acts as the propagation medium ...
García-Baños, Beatriz; Catalá Civera, José Manuel; Sánchez-Marín, Juan Rafael; Navarrete Algaba, Laura; López-Buendía, Angel M.; Schmidt, Lukas(MDPI AG, 2020-05)
[EN] In this work, the carbothermic reduction of iron- and zinc-bearing products is studied through in situ microwave heating, dielectric properties monitoring, and mass spectrometry up to high temperatures (1000 degrees ...
Benavente Martínez, Rut; Salvador Moya, Mª Dolores; Penaranda-Foix, Felipe L.; García-Moreno, Olga; Borrell Tomás, María Amparo(Elsevier, 2015-12)
Low-temperature sinterable microwave LiAlSiO4-based solid-state material was investigated with regard to microwave dielectric properties as functions of the sintering temperature. beta-eucryptite materials and alumina-reinforced ...
Gutiérrez Cano, José Daniel; Catalá Civera, José Manuel; Penaranda-Foix, Felipe L.; Plaza González, Pedro José(Elsevier, 2022-03)
[EN] Accurate determination of permittivity is a crucial factor for successfully developing new food processing technologies at radio frequencies. An improved measurement test fixture based on an open-ended coaxial probe ...
García Baños, Beatriz; Catalá Civera, José Manuel; Peñaranda Foix, Felipe Laureano; Plaza González, Pedro José; Llorens Vallés, Gabriel(MDPI AG, 2016)
[EN] Microwave-assisted processes have recognized advantages over more conventional heating
techniques. However, the effects on the materials¿ microstructure are still a matter of study, due to
the complexity of the ...
Pérez Simbor, Sofía(Universitat Politècnica de València, 2019-12-16)
[ES] La población mundial en países desarrollados está envejeciendo y con ello existe un aumento de enfermedades en gran medida causadas por la edad. Las nuevas tecnologías médicas pueden ayudar a ...
[EN] Microwave heating is a potential green technology demonstrating many advantages over conventional heating methods. Prior to designing an industrial microwave process, however, a fundamental knowledge of the dielectric ...
[EN] The use of dielectric properties at low frequencies to estimate the progress of pork meat (Longissimus dorsi) ageing was evaluated. Dielectric measurements were perfomed at 140 Hz, 1 kHz and 300 kHz in perpendicular ...