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When a magnetic rotor is simultaneously rotated and translationally moved above an aluminum guideway a traveling time-varying magnetic field is created in the air-gap. This field induces eddy currents in the guideway that can simultaneously create suspension and propulsion or braking forces. The transient fields and the forces created by this moving rotor are modeled using a novel 2D analytic based...
Acquiring and reconstructing images from a positron emission tomograph (PET) system usually involves several independent processing tasks. These tasks range from the actual acquisition of the analog detector signals to the final image reconstruction which may also consider additional information from other imaging modalities. To compensate the inevitable variations arising from the analog detector...
Electromagnetic fields due to an earthquake have been studied in this presentation through some model calculations. The expressions of the variation of electron concentration and electron temperature as the ionospheric precursors of an earthquake have been deduced in this presentation through quasihydrodynamic formulations. The outcome of the analyses of electromagnetic emissions recorded by VLF receivers...
In presence of non-linear perturbations of the thermospheric auroral region produced by travelling ionospheric disturbances (TIDs) during the propagation of atmospheric gravity waves (AGWs), an analytical expression of velocity of the constituent particles is derived through magnetohydrodynamic formalism. Using this, the expressions of Joule heating and viscous heating are derived, whose variations...
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