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Browsing by Author "Gutiérrez Cano, José Daniel"

Now showing items 1-8 of 8

A New Stand-Alone Microwave Instrument for Measuring the Complex Permittivity of Materials at Microwave Frequencies

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 ...
Dynamic measurement of dielectric properties of food snack pellets during microwave expansion

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 ...
Dynamic Measurement of Dielectric Properties of Materials at High Temperature During Microwave Heating in a Dual Mode Cylindrical Cavity

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 ...
Effect of water content on the dynamic measurement of dielectric properties of food snack pellets during microwave

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 ...
Enhanced Full-Wave Circuit Analysis for Modeling of a Split Cylinder Resonator

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 ...
Fast and Accurate Determination of the Complex Resonant Frequency of a Multilayer Circular Cavity Using Chebyshev's Root-finder

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 ...
Improvement in the Accuracy of Dielectric Measurement of Open-Ended Coaxial Resonators by an Enhanced De-Embedding of the Coupling Network

Canós Marín, Antoni Josep; García Baños, Beatriz; Catalá Civera, José Manuel; Penaranda-Foix, Felipe L.; Gutiérrez Cano, José Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2013-12)

An improvement of the accuracy of dielectric measurements of the open-ended coaxial resonator method is described. The technique is based on an empirical technique for de-embedding the coupling network excited by electric ...
Permittivity Spectrum of Low-Loss Liquid and Powder Geomaterials Using Multipoint Reentrant Cavities

Alvarez, Jose Oliverio; Penaranda-Foix, Felipe L.; Catalá Civera, José Manuel; Gutiérrez Cano, José Daniel (Institute of Electrical and Electronics Engineers, 2020-05)

[EN] Permittivity is a useful tool to characterize the composition and quality of many geomaterials. In general, the non-resonant permittivity measurement methods exhibit a higher degree of uncertainty than their resonant ...