Gutiérrez Cano, José Daniel; Plaza González, Pedro José; Canós Marín, Antoni Josep; García-Baños, Beatriz; Catalá Civera, José Manuel; Penaranda-Foix, Felipe L.(Institute of Electrical and Electronics Engineers, 2020-06)
[EN] This paper reports the development of a stand-alone and portable instrument designed to measure the complex permittivity of dielectric materials at microwave frequencies. The equipment consists of an in-house single-port ...
Reinosa, J. J.; García-Baños, Beatriz; Catalá Civera, José Manuel; Fernández Lozano, J. F.(Elsevier, 2019-02)
[EN] The thermal evolution of kaolin clay under microwave radiation shows an unexpected large heating rate up to 500 degrees C/min for temperatures > 650 degrees C. Such heating rate is associated with a resistivity drop ...
García Baños, Beatriz(Editorial Universitat Politècnica de València, 2019-10-15)
AMPERE 2019 is the largest event in Europe dedicated to scientific and industrial applications of microwave and radiofrequency power systems.The conference presents the status and trends in the multidisciplinary fields of ...
Marqués Villarroya, David(Universitat Politècnica de València, 2018-10-22)
El proceso de caracterización dieléctrica es un área de estudio fundamental para el desarrollo de sistemas y dispositivos de telecomunicaciones, ya que el conocimiento de cómo se comporta un material frente a una radiación ...
Pérez Páez, Rocío(Universitat Politècnica de València, 2009-04-02)
Las emulsiones del tipo agua en aceite (w/o) y aceite en agua (o/w) están compuestas por una mezcla de aceite, agua, lodo y otros agentes. Se pueden encontrar en el proceso y/o en los vertidos de diferentes tipos de ...
Fernández Pérez, Samuel(Universitat Politècnica de València, 2023-10-05)
[ES] En este Trabajo Final de Grado (TFG) se presentan diversas técnicas de caracterización electromagnética de materiales dieléctricos en el rango de frecuencia de microondas. Se desarrollan las técnicas de cavidad ...
Rubio Muñoz, Juan Manuel(Universitat Politècnica de València, 2023-10-05)
[ES] El objetivo de este Trabajo de Fin de Grado (TFG) es la caracterización electromagnética de materiales en el rango de frecuencia de las microondas empleando distintas técnicas de medición y realizando análisis de ...
García-Baños, Beatriz; Chiariotti, Paolo; Napolitano, Rachele; Pandarese, Giuseppe; Navarrete Algaba, Laura; Revel, Gian Marco; Catalá Civera, José Manuel(Elsevier, 2022-07)
[EN] In this work, several commercial high-emissivity coatings have been characterized in terms of emissivity, chemical composition and dielectric properties as a function of temperature, under microwave irradiation. ...
Penaranda-Foix, Felipe L.; Catalá Civera, José Manuel; Gutiérrez Cano, José Daniel; García-Baños, Beatriz(Institute of Electrical and Electronics Engineers, 2021-06)
[EN] This letter proposes a calibration method to properly measure the incident power in a directional coupler (DC) when the measurement configuration has low directivity. The proposed method is based on measurements of ...
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 ...
Marqués-Villarroya, David; Penaranda-Foix, Felipe L.; García-Baños, Beatriz; Catalá Civera, José Manuel; Gutiérrez Cano, José Daniel(Institute of Electrical and Electronics Engineers, 2017)
[EN] An enhanced full-wave method based on circuit analysis is presented in this paper, where the whole set of modes TEmnp and TMmnp are taken into account. The modeling of a split cylinder resonator is done with two circuit ...
García Baños, Beatriz(Universitat Politècnica de València, 2011-04-01)
En esta tesis se realiza el análisis y la optimización del diseño de sensores de microondas, basados tanto en guías de onda coaxiales como en circuitos planares, para poder llevar a cabo la caracterización dieléctrica de ...
López-Buendía, Angel M.; García-Baños, Beatriz; Urquiola, M. Mar; Catalá Civera, José Manuel; Penaranda-Foix, Felipe L.(The Royal Society of Chemistry, 2020-12-21)
[EN] Mineral transformations of the gypsum-anhydrite system under microwave heating have been studied using in situ dielectric thermal analysis (MW-DETA) and Raman spectroscopy simultaneously. The dielectric properties of ...
Marqués-Villarroya, David; Penaranda-Foix, Felipe L.; García-Baños, Beatriz; Catalá Civera, José Manuel; Gutiérrez Cano, José Daniel(The Electromagnetics Academy (EMW Publishing), 2017)
[EN] In this paper, a general multilayer circular cavity with N slabs is analyzed analytically, obtaining characteristic equations for TE and TM modes to compute the complex resonant frequency efficiently using an algorithm ...
Jiménez Reinosa, Julian; García-Baños, Beatriz; Catalá Civera, José Manuel; López-Buendía, Ángel M.; Guaita, Luis; Fernández, Jose F.(Wiley, 2019-04)
[EN] The advantages of microwave (MW) energy processing have been verified in the sintering of a ceramic frit at a pre-industrial scale. The challenge of achieving high temperature using MW energy at such dimensions was ...
Penaranda-Foix, Felipe L.; Catalá Civera, José Manuel; Canós Marín, Antoni Josep; García Baños, Beatriz(Wiley: 12 months, 2015-08)
This article proposes the use of argument principle method (APM) to find all complex resonant frequencies in a three layer cylindrical cavity. APM guarantees that no root is lost and frequencies can be associated with the ...
García-Baños, Beatriz; Plaza González, Pedro José; Sánchez-Marín, Juan Rafael; Steger, Sebastian; Feigl, Alexander; Penaranda-Foix, Felipe L.; Catalá Civera, José Manuel(Elsevier, 2022-01-25)
[EN] A new approach based on dielectric slabs with adjustable position is proposed as near-field focusing lenses inside a single-mode microwave applicator to provide specific temperature distributions within a material ...
Marqués-Villarroya, David; Canós Marín, Antoni Josep; Penaranda-Foix, Felipe L.; García-Baños, Beatriz; Catalá Civera, José Manuel(Institute of Electrical and Electronics Engineers, 2018)
[EN] A novel dielectrometer to measure the complex permittivity of high-loss liquids is presented. The geometry consists of a reentrant cavity with insertion holes, where the holder filled with liquid can be introduced ...
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 ...
Serra Alfaro, José Manuel; Borras-Morell, J. F.; García-Baños, Beatriz; Balaguer Ramirez, Maria; Plaza González, Pedro José; Santos-Blasco, J.; Catalán-Martínez, David; Navarrete Algaba, Laura; Catalá Civera, José Manuel(Nature Publishing Group, 2020-11)
[EN] Hydrogen is a promising vector in the decarbonization of energy systems, but more efficient and scalable synthesis is required to enable its widespread deployment. Towards that aim, Serra et al. present a microwave-based ...