CAE simulation-based centrifugal fan optimization method for heat dissipation of brushless motor

The invention discloses a CAE simulation-based centrifugal fan optimization method for heat dissipation of a brushless motor. The CAE simulation-based centrifugal fan optimization method comprises the following steps of 1) establishing an optimization mathematical model for heat dissipation of the motor; 2) establishing a brushless motor flow field CAE simulation model according to the optimized mathematical model parameters; and 3) a solution method for effectively solving and optimizing the mathematical model based on CAE simulation. Based on CAE simulation and aiming at the structural characteristics of the centrifugal fan for cooling the brushless motor, the optimization mathematical model of the centrifugal fan is established, the structure of the centrifugal fan is optimized by using an orthogonal optimization test method, and the optimal combination of the parameters of the centrifugal fan is obtained, so that the calculation time of numerical simulation is effectively saved, the optimal structure of t