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Conductors with rectangular cross-section are key components of industrial busbar systems, where each phase can have several parallel conductors to carry high currents. The current density in each conductor, under sinusoidal conditions, is not uniform, due to skin and proximity effects. As there are no closed analytical formulae for conductors with rectangular cross-section, many numerical simulations...
Surface impedance boundary conditions are used to take into account electromagnetic phenomena in thin layers. By exploiting a dual geometrical discretisation of the surface of a conducting object, it can be used to formulate the skin effect as a circuit. The mesh can be either structured or unstructured as in case of triangular elements. The surface circuit can be coupled to a boundary element method...
Sensing cellular adhesion via impedance measurements provides a versatile and easily accessible means for monitoring in-vitro cell cultures. In this work we present a CMOS impedance-to-frequency converter integrated with biocompatible planar surface electrodes to make a compact and robust sensor chip for in-vitro cell monitoring. The system features an 8 × 8 array of individually addressable electrodes...
Multipactor effect on a dual-mode second-order waveguide filter response is presented. First, a dual-mode second-order waveguide filter using elliptical waveguide irises as input and output coupling is designed and simulated. Then multipactor current density is calculated with respect to the multipactor RF breakdown threshold in the elliptical waveguide irises. The magnetic filed corresponding to...
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