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双级阳极层霍尔推力器的阳极与磁路过热问题，是制约该类型推力器广泛应用和功率密度提升的重要因素，研究采用有限元分析结合热平衡实验的方法，建立了较高可信度的热特性仿真模型。在推力器1.1 kW工况工作时，温度模拟值与实测值非常接近，4个测温点平均误差为4.71%。并且在此模型的基础上，采用内绕线柱内填充热管，外壳阳极绝缘陶瓷填充等多种技术方案组合对推力器进行热设计优化后，推力器在2.15 kW工况工作时，零部件的温度降低至合理区间，优化后，该推力器功率密度提升95%。仿真结果可以为提升霍尔推力器出口功率密度提供指导，并对同类型推力器提供热特性分析数值方法。
Abstract：The overheating of the anode and magnetic circuit in two-stage anode layer Hall thrusters is a critical factor restricting both their wider application and the enhancement of power density. In this work, a thermal model with high reliability was developed by integrating finite element analysis with thermal-balance experiments.Under the thruster is working at the 1.1 kW operating condition, the simulated temperatures closely matched the measured values, with an average deviation of only 4.71% across four thermocouple points. Building upon this model, several combined thermal design strategies—such as embedding heat pipes inside the inner coil former and filling ceramics around the shell-type anode —were investigated and optimized. After optimization, all components remained within reasonable temperature ranges when the thruster operated at 2.15 kW, and the power density increased by 95%. The simulation results provide practical guidance for improving the output power density of Hall thrusters and offer a numerical approach for thermal analysis of similar devices.
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基本信息:
DOI：10.13922/j.cnki.cjvst.202509022
中图分类号:V439.4
引用信息:
[1]陈兴锴,刘超,郭宁,等.双级阳极层霍尔推力器热优化分析[J].真空科学与技术学报,2026,46(02):110-119.DOI:10.13922/j.cnki.cjvst.202509022.
基金信息:
甘肃省科技领军人才项目（24RCKB012）; 国家自然科学基金项目（U22B20130）