CFD optimisation of the thermal design for a vented electrical machineTools Bersch, Kevin, Connor, Peter H., Eastwick, Carol N., Galea, Michael and Rolston, Rob (2017) CFD optimisation of the thermal design for a vented electrical machine. In: 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), 20-21 April, Nottingham, United Kingdom. Full text not available from this repository.
Official URL: http://ieeexplore.ieee.org/document/7947721/
AbstractOptimisation algorithms hold the potential to dramatically reduce computational time whilst ensuring the optimal solution is found. Within this paper, the feasibility of using this novel approach on complex 3-D Computational Fluid Dynamics models, which are required for thermal management of electrical machines, is proven. A model of a simplified generator is parameterised with the aim of minimising the peak stator temperature by varying the axial location of a single stator vent. By generating a single parameterised case, and automating the optimisation, the simulations are run independently after initial setup, hence reducing both computational and user time. Locating a vent in the optimal position reduced the peak stator temperature by 9.4 K. A sensitivity study linking peak temperature to vent position has been carried out developing a polynomial relationship between them for the aforementioned geometry. Mass flow and pressure distribution in the vent have been analysed in detail.
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