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A General Mode Matching Technique applied to Bandpass Radomes

A new method based on the mode matching technique and the finite element method (FEM) is presented. The method can handle a general thick frequency selective structure (FSS), that consists of an arbitraryn umber of aperture layers and dielectric layers. An aperture layer consists of a conducting plate with a periodic arrayof apertures. The order and the thickness of the layers can be arbitrary. The

SOFC modeling considering electrochemical reactions at the TPBs

Fuel cells are electrochemical devices that directly transform chemical energy into electricity, which are promising for future energy systems, because they are energy efficient. The cell performance depends strongly on the material characteristics, the operating conditions and the chemical reactions that occur at active sites. The steam reforming and electrochemical reaction rates depend on tempe