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The intent of this paper is to present an electromagnetic and structural study of a Synchronous Reluctance Machine. While most literature on the SynRM only considers the influence of rotor and stator geometry on the electromagnetic behavior of the machine, this paper introduces a combined approach, considering also the stress field in the machine's rotor due to inertial loads. The analysis is made...
In electric vehicles, a major emphasis is placed on iron loss reduction to maximize machine efficiency and its vibratory and acoustic behavior to meet users' expectations of a silent drive. This paper describes a method to simultaneously reduce iron losses and magnetic noise of a wound-field synchronous machine considering various stator tooth lengths and rotor pole airgap surface radii. The impact...
This paper deals with the analysis of induction motor (IM) with an intentionally created saliency, rearranging the rotor bar geometry, so as to allows a sensorless detection of the IM rotor position. A finite element (FE) procedure, based on the d- and q-axis model of the IM, is used to compute the d-and q-axis parameters of the machine. The proposed procedure is useful for both analysis and design...
The Compressor Aerodynamics Research Laboratory at Wright-Patterson Air Force Base is currently investigating, experimentally and numerically, the effects of inlet distortion on transonic fan performance. The experimental investigation will quantify the flowfield for a cold-tested diffuser-fan with distortion screens, and a coupled diffuser-fan system. Each of these experiments will be mirrored numerically...
The paper has shown the development of a generic model for the thermal analysis of stator geometries that when base lined against a standard thermal analysis program has shown similar accuracy and reduced computational time. This paper has also shown a technique for transforming typical stator geometries to a simplified geometry in polar coordinates.
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