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Coupled Electromagnetic and Thermal Modeling of Microwave Tissue Processing

Journal: International Journal of Engineering Sciences & Research Technology (IJESRT) (Vol.2, No. 2)

Publication Date:

Authors : ;

Page : 382-388

Keywords : Microwave tissue processing; microwave heating; modelling; finite element; electromagnetic field; temperature profile; model validation.;

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Deals with 3D finite element modeling of microwave tissue processing using Comsol software 4.0. Maxwell’s equations are coupled with heat conduction equation to determine electromagnetic field distribution and temperature profile within tissue sample in a reagent inside a domestic microwave oven. The microwave power generation term is calculated. Also, temperature distribution obtained is compared with experimental point measurements recorded in the centre of the tissue using a shielded between numerical and experimental data. The effect of size of both reagent and tissue as well as tissue type on microwave heating patterns within tissue sample is investigated. Studies shows that the reagent v effect than other factors. The results of the study is considered as a basic foundation for development of coupled electromagnetic thermal models of microwave heating of tissue specimens. The model assists in choosing appropriate process parameters for achieving uniform temperature distribution within tissue specimen.

Last modified: 2014-09-30 22:21:20