Uniform electric field distribution in microwave heating applicators by means of genetic algorithms optimization of dielectric multilayer structures
Research Group
Grupo de Electromagnetismo y Materia (GEM)Knowledge Area
Teoría de la Señal y las ComunicacionesSponsors
This work was supported in part by the Fundación Séneca under Project 00700/PPC/04Publication date
2007-01Publisher
IEEE Microwave Theory and Techniques SocietyBibliographic Citation
DOMÍNGUEZ DE TORTAJADA, Elsa, MONZÓ CABRERA, Juan, DÍAZ MORCILLO, Alejandro. Uniform electric field distribution in microwave heating applicators by means of genetic algorithms optimization of dielectric multilayer structures. IEEE Transactions on Microwave Theory and Techniques, 55 (1): 85-91, 2007. ISSN 0018-9480Keywords
Propiedades dieléctricasUniformidad del campo eléctrico
Energía de microondas
Calefacción por microondas
Aplicadores multimodo
Algoritmos genéticos (AG)
Genetic Algorithm (GA)
Dielectric properties
Uniform electric field
Microwave energy
Microwave heating
Multimode applicator
Abstract
In this paper, the design of a dielectric multilayer
around a clay sample is presented to achieve a uniform electric
field distribution over that sample. This structure is located within
a multimode microwave-heating oven and is designed by means
of genetic algorithms. The permittivity and geometric values for
the sample surrounding layers are the selected parameters to
be optimized in order to minimize the ratio between the typical
deviation and the absolute value of the electric field. The results
demonstrate the improvement of the electric field uniformity over
the sample using dielectric layers.
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