Analysis of Material Position and Size in a Waveguide Fed Resonator
The main factors that affect electric field distribution, and therefore heat distribution, are the dimensions of the resonator, heating frequency, shape and dielectric properties of the material to be heated, position of the material to be heated within the resonator and the position of the feed guide on the resonator. From among these factors that directly affect heating, this work examined the material thickness. The purpose of this study was to determine the material thickness that will minimise the reflection coefficient. The accuracy of the results obtained by means of the mode matching method was demonstrated by comparing those results with the results obtained through Ansoft’s High Frequency Structure Simulator.
Dibben, D.C. and Metaxas, A.C. (1996) Time domain finite element analysis of multimode microwave applicators loaded with low and high loss materials, IEEE Microwave and Guided Letters, 32, 945-948.
Hallac A. and Metaxas A.C. (2003) Finite element time domain analysis of microwave heating applicators using higher order vector finite elements, International Conference on Microwave and High Frequency Heating, UK, 21-25.
Iskander, M.F., Smith, R.L., Octavio, A., Andrade, M., Kimrey, H. and Walsh, L.M. (1994) FDTD simulation of microwave sintering of ceramics in multimode cavities, IEEE Transactions on Microwave Theory and Tecniques, 42(5), 1686-1689.
Jia, X. (1993) Experimental and numerical study of microwave power distributions in a microwave heating applicator, Journal of Microwave Power and Elecromagnetic Energy, 28 (1), 25-31.
Liu, F., Turner I. and Bialkowski, M. A. (1994) A Finite difference time domain simulation of power density distribution in a dielectric loaded microwave cavity, Journal of Microwave Power and Electromagnetic Energy, 29(3), 138-148.
Liu, F., Turner, I., Siores, E. and Groombridge, P. (1996) A numerical and experimental investigation of the microwave heating of polymer materials inside a ridge waveguide, Journal of Microwave Power and Electromagnetic Energy, 31(2), 71-82.
Monzo-Cabrera, J., Diaz-Morcillo, A., Pedreno-Molina, J. L. and Sanchez-Hernandez, D. (2004) A new method for load matching in multimode-microwave heating applicators based on the use of dielectric-layer superposition, Microwave and Optıcal Technology Letters, 40(4), 318-322.
Monzo-Cabrera, J., Escalante, J., Dıaz-Morcillo, A., Martınez-Gonzalez, A. and Sanchez-Hernandez, D. (2004) Load matching in multimode microwave-heating applicators based on the use of dielectric layer moulding with commercial materials, Microwave and Optical Technology Letters, 41(5), 414-417.
Pedreno-Molina, J. L., Monzo-Cabrera, J. and Catala–Civera, J. M. (2006) Sample movement optimization for uniform heating in microwave heating ovens, International Journal of RF and Microwave Computer-Aided Engineering, 142-152.
Plaza-González, P., Monzó-Cabrera, J., Catalá-Civera, J. M. and Sánchez-Hernández, D. (2004) New approach for the prediction of the electric field distribution in multimode microwave-heating applicators with mode stirrers, IEEE Transactions on Magnetics, 40(3), 1672-1678. doi:10.1109/TMAG.2003.821560
Plaza-González, P., Monzó-Cabrera, J., Catalá-Civera, J. M., and Sánchez-Hernández, D. (2005) Effect of mode-stirrer configurations on dielectric heating performance in multimode microwave applicators, IEEE Transactions on Microwave Theory and Techniques, 53(5), 1699-1706.
Reader, H.C. and Chow Ting Chan, T.V. (1998) Experimental and numerical field studies in loaded multimode and single mode cavities, Journal of Microwave Power and Elecromagnetic Energy, 33(2), 256-263.
Requena-Perez, M. E., Pedreno-Molina, J. L., Pinzolas-Prado, M., Monzo-Cabrera, J., Diaz-Morcillo, A. and Sanchez-Hernandez, D. (2004) Load matching in multimode microwave-heating applicators by load location optimization, 34" European Microwave Conference, Amsterdam, Holland.
Süle, O. and Kent, S. (2010) Analysis of microwave cavity loaded with lossy dielectric slab by means of mode matching method and optimization of load location’, PIER M, 14, 71-83. doi:10.2528/PIERM10061707
Sunberg, M., Risman, P.O., Kildal, P.S. and Ohlsson, T. (1996) Analysis and design of industrial microwave ovens using the finite difference time domain method, Journal of Microwave Power and Elecromagnetic Energy, 31(3), 142-157.
Terril, N. D. (1998) Field simulation for the microwave heating of thin ceramic fibers. MSc. thesis, State University.
Zhao, H. and Turner, I.W. (1996) An analysis of the finite difference time domain method for modelling the microwave heating of dielectric materials within a three dimensional cavity system, Journal of Microwave Power and Electromagnetic Energy, 31(4), 199-214.
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