The Effect of Wall Losses in the Numerical Simulation of Microwave Heating Problems

A study is made into the numerical modeling of wall losses for a microwave heating application. It makes use of a surface integral termfor both a frequency and time domain finite edge element formulation in order to model the wall impedance of the enclosed microwave cavity. The paper describes how t...

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Bibliographic Details
Published inThe Journal of microwave power and electromagnetic energy Vol. 35; no. 4; pp. 199 - 215
Main Authors Ehlers, R.A., Dibben, D.C., Metaxas, A.C.
Format Journal Article
LanguageEnglish
Published United States Taylor & Francis 01.01.2000
Subjects
conductor loss
finite elements
microwave heating cavity
surface impedance
Wall loss
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Summary:A study is made into the numerical modeling of wall losses for a microwave heating application. It makes use of a surface integral termfor both a frequency and time domain finite edge element formulation in order to model the wall impedance of the enclosed microwave cavity. The paper describes how the surface element matrix of the complex wall impedance is combined with the matrixfonnulation. The results are checked against analytical expressions for a single mode resonant cavity. An analysis on the effect of lossy walls is provided using four low-loss material insertions over a range of surface conductivities.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
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content type line 23
ISSN:0832-7823
2472-4041
DOI:10.1080/08327823.2000.11688438