کنفرانس بین المللی ماشین و محرکه های الکتریکی

صفحه اصلی / The 4th International Conference on Electrical Machines and Drives

Development of an LPM for flow distribution and windage analysis in electric machines

نویسندگان :

Ali Zadehkafi¹ Ehsan Mohammadian² Mohammad Bagher Mahaki³

1- MAPNA Generator Engineering and Manufacturing Co. (PARS) 2- MAPNA Generator Engineering and Manufacturing Co. (PARS) 3- MAPNA Generator Engineering and Manufacturing Co. (PARS)

کلمات کلیدی :

LPM،Flow distribution،Windage losses،Electric machine

چکیده :

In this article, an LPM (Lumped Parameter Model) method has been developed to determine windage losses and the flow distribution inside electrical machines. This method involves constructing a comprehensive network of hydraulic resistances representing various parts of the machine. By solving the governing equations over this network, the pressure and flow distribution within the machine can be accurately determined. The proposed method simplifies the complex task of modeling fluid dynamics within electric machines by breaking down the problem into manageable parts, each represented by hydraulic resistances. The results obtained from this method demonstrate a high degree of accuracy when compared to conventional CFD (Computational Fluid Dynamics) simulations. This approach not only reduces computational time but also provides valuable insights for the design and optimization of cooling systems in electrical machines. The enhanced understanding of flow patterns and windage losses allows for more efficient design modifications, ultimately improving the performance and longevity of these machines. The satisfactory accuracy of the presented method makes it a viable alternative for preliminary design assessments and optimization studies in the field of electrical machine design.

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