CST – Computer Simulation Technology

Uniform Electric Field Distribution in Microwave Heating Applicators by Means of Genetic Algorithms Optimization of Dielectric Multilayer Structures

Title:
Uniform Electric Field Distribution in Microwave Heating Applicators by Means of Genetic Algorithms Optimization of Dielectric Multilayer Structures
Author(s):
Elsa Domínguez-Tortajada, Juan Monzó-Cabrera, Alejandro Díaz-Morcillo
Source:
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES
Vol./Issue/Date:
VOL. 55, NO. 1, JANUARY 2007
Year:
2007
Page(s):
85-91
Keywords:
Dielectric properties, electric field uniformity, genetic algorithms, 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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