TY - GEN
T1 - Numerical investigation into thermal behavior of brushless permanent magnet motors
AU - Fu, Lung Ming
AU - Lin, Chiufeng
AU - Chang, Chinlung
AU - Chang, Jenhao
AU - Tsai, Chien Hsiung
N1 - Copyright:
Copyright 2011 Elsevier B.V., All rights reserved.
PY - 2011
Y1 - 2011
N2 - The performance of brushless permanent magnet motor for electric vehicle applications is simulated by commercial CFD codes Fluent 6.3. It is difficult to model motor winding area and to well pose the motor external boundary conditions for using CFD method. A possible approach to simplify the thermal resistance computation is to use an empirical equivalent thermal conductivity of the system winding impregnation and insulation. The empirical equivalent thermal conductivity is case sensitive and regressed in the experiment. The same is true for the boundary condition of motor. In this paper, we proposed a new model to compute equivalent thermal conductivity and overcome the above problem. This model takes advantage of the packing bed heat transfer model proposed by Zehner and Schlünder. Besides, the boundary conditions are also obtained by the numerical experiments. The validity of CFD method using in the present paper is validated utilizing the experimental data. The numerical data are concurred with the experimental data. As a result, the CFD method is shown to be a feasible method for modern thermal design for brushless permanent magnet motor.
AB - The performance of brushless permanent magnet motor for electric vehicle applications is simulated by commercial CFD codes Fluent 6.3. It is difficult to model motor winding area and to well pose the motor external boundary conditions for using CFD method. A possible approach to simplify the thermal resistance computation is to use an empirical equivalent thermal conductivity of the system winding impregnation and insulation. The empirical equivalent thermal conductivity is case sensitive and regressed in the experiment. The same is true for the boundary condition of motor. In this paper, we proposed a new model to compute equivalent thermal conductivity and overcome the above problem. This model takes advantage of the packing bed heat transfer model proposed by Zehner and Schlünder. Besides, the boundary conditions are also obtained by the numerical experiments. The validity of CFD method using in the present paper is validated utilizing the experimental data. The numerical data are concurred with the experimental data. As a result, the CFD method is shown to be a feasible method for modern thermal design for brushless permanent magnet motor.
UR - http://www.scopus.com/inward/record.url?scp=79952593920&partnerID=8YFLogxK
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U2 - 10.4028/www.scientific.net/AMR.199-200.1518
DO - 10.4028/www.scientific.net/AMR.199-200.1518
M3 - Conference contribution
AN - SCOPUS:79952593920
SN - 9783037850374
T3 - Advanced Materials Research
SP - 1518
EP - 1522
BT - Advances in Mechanical Design
T2 - 2nd International Conference on Manufacturing Science and Engineering, ICMSE 2011
Y2 - 9 April 2011 through 11 April 2011
ER -