Optimisation of electric field uniformity in microwave heating systems by means of multi-feeding and genetic algorithms
Autor
Domínguez Tortajada, Elsa; Plaza González, Pedro; Díaz Morcillo, Alejandro Benedicto; Balbastre Tejedor, Juan VicenteGrupo de investigación
Grupo Electromagnetismo y Materia (GEM)Área de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
This work was supported in part by the CICYT, Spain, under project reference TIC 2004- 05037-C02-02 and Consejería de Economía, Industria e Innovación, Región de Murcia, Spain, under the project reference 2I04SU063.Fecha de publicación
2007-03Editorial
InderscienceCita bibliográfica
DOMÍNGUEZ TORTAJADA, E., PLAZA GONZÁLEZ, P., DÍAZ MORCILLO, A., BALBASTRE J.V. Optimisation of electric field uniformity in microwave heating systems by means of multi-feeding and genetic algorithms. International Journal of Materials and Product Technology, 29 (1/2/3/4): 149-162, Marzo 2007. ISSN 0268-1900Palabras clave
Procesamiento de calentamiento por microondasUniformidad de campo
Hornos industriales de microondas
Calefacción dieléctrica
Microwave heating processing
Field uniformity
Microwave industrial oven
Dielectric heating
Algoritmos genéticos (AG)
Resumen
In most of microwave heating applications obtaining uniform heating patterns
in certain regions of the applicator is a key issue. In this paper, the proposed solution for
achieving electric field uniformity consists of designing the configuration of the feeding
system in a multimode cavity by means of Genetic Algorithms. The feeding system is
constituted by waveguides or slots arrays. The electric field pattern inside the cavity
depends on the location of these sources and an improvement in the electric field
uniformity on the product can be obtained by means of a proper design of this feeding
system. Results for the curing of epoxy resin over a marble slab are presented and they
show a significant improvement in the electric field uniformity over the epoxy resin.
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