Multimode cavity efficiency optimization by optimum load location-experimental approach
Autor
Requena Pérez, María Eugenia; Pedreño Molina, Juan Luis; Monzó Cabrera, Juan; Díaz Morcillo, Alejandro BenedictoGrupo de investigación
Grupo de Electromagnetismo y Materia (GEM)Área de conocimiento
Teoría de la Señal y las ComunicacionesPatrocinadores
This work was supported in part by the Spanish Science and Technology Ministry under Project TIC2001-2778-CO2-02.Fecha de publicación
2005-06Editorial
IEEE Microwave Theory and Techniques SocietyCita bibliográfica
REQUENA PÉREZ, María E., PADREÑO MOLINA, Juan L., MONZÓ CABRERA, Juan, DÍAZ MORCILLO, Alejandro. Multimode cavity efficiency optimization by optimum load location-experimental approach. IEEE Transactions on Microwave Theory and Techniques, 53 (6): 2114-2120, Junio 2005. ISSN 0018-9480Palabras clave
Calefacción electromagnéticaAplicadores multimodo
Eficiencia energética
Adaptación de cargas
Resumen
In this paper, a novel load-matching procedure for
microwave-heating applicators is presented and tested. In order to
accomplish the optimization procedure, an optimization method
based on the use of the Lebenverg–Marquardt technique has
been specifically developed and tested on two different microwave
ovens. The proposed procedure allows an efficient optimization of
three-dimensional microwave applicators by means of the dielectric
sample relocation as a function of its complex permittivity,
size, and operating frequency. Experimental measurements of
the reflection coefficient are presented and analyzed over several
samples and multimode cavities. Results indicate that high power
efficiencies can be obtained provided that operating frequency
is not just below TM-mode cutoff frequencies for the transverse
dimensions of the oven.
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