Numerical Simulation of Electromagnetic-thermal Coupling for Electric Fuel Pump
This paper proposes a distributed heat source model with periodic average losses to address the heat generation problem of electric fuel pump.An electromagnetic-thermal coupling model of a permanent magnet synchronous motor is established,and the loss characteristics of each motor component and its steady-state temperature distribution at different speeds are numerically simulated.The results show that when the speed of electric fuel pump is 6000 r/min and the supply pressure is 8 MPa,the highest temperature of the internal motor can reach 407.8 K,which is located in the teeth of the stator core,and the temperature gradually decreases to 393.9 K radially outward.The life and reliability of the electric fuel pump will gradually decrease with the demagnetization of permanent magnets when working in a high temperature environment.
electric fuel pumpperiodic average losselectromagnetic-thermal couplingtemperature distribution
万方数据
维普
