空气辅助燃油喷嘴机-电-磁耦合特性仿真
Simulation of Mechanical-Electrical-Magnetic Coupl-ing Characteristics of Air-Assisted Fuel Injector Nozzle
为解决空气辅助燃油喷嘴工作过程中机械、电磁、电控、流体等学科高度耦合，给喷嘴设计、选型及应用带来的诸多问题与挑战，本文采用数值仿真方法，利用稳态电磁特性仿真和瞬态联合仿真探索了空气辅助燃油喷嘴工作过程中的机-电-磁耦合特性，深入探索了激励强度、峰值电流、弹簧预紧力及阀芯惯性质量对阀芯受力、运动特性影响规律。研究发现，励磁线圈激励强度增大过程中，阀芯受力持续上升，但上升速率逐渐减小。激励强度不变情况下提高峰值驱动电流对提升喷嘴响应性无明显作用。由于…查看全部>>
In order to solve the problems and challenges brought by the high coupling of mechanical, electromagnetic, electronic control, fluid and other disciplines during the working process of air-assisted fuel nozzle, the paper adopts the numerical simulation method and explores the coupling characteristics of machine-electricity-magnetic coupling during the working process of air-assisted fuel nozzle by using the steady-state electromagnetic simulation and transie…查看全部>>
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