发表机构
Lab of Plasma Propulsion, Harbin Institute of Technology; Key Laboratory of Advanced Aerospace Propulsion Technology, Ministry of Industry and Information Technology; Aviation Key Laboratory of Science and Technology on Aerodynamics of High Speed and High Reynolds Number, AVIC Aerodynamics Research Institute; China Jiuyuan Hi-Tech Equipment Co., Ltd.; CAEP Software Center for High Performance Numerical Simulation; School of Mechanical and Power Engineering, Harbin University of Science and Technology(哈尔滨工业大学等离子体推进实验室; 工业和信息化部航空航天推进技术重点实验室; 中国航空工业集团公司空气动力研究院高速高雷诺数气动技术航空科技重点实验室; 中国九元高科技设备有限公司; 中国工程物理研究院高性能数值模拟软件中心; 哈尔滨科技大学机械与动力工程学院)
机构由 AI 辅助整理,请以论文原文为准。AI 中文总结
本研究开发了名为HYSCH的混合模拟代码,分析其对数值参数的敏感性,证实解耦公式可实现更高效的资源分配,为霍尔推力器设计优化提供支撑。
AI 中文摘要
混合方法在计算效率与物理精度之间提供了颇具吸引力的平衡,对霍尔推力器的设计与优化具有重要指导作用。本研究开发了名为HYSCH的混合模拟代码,采用1D-MFAM作为电子子模型的网格框架,该代码可实现两个子模型网格的解耦,在空间分辨率设置上提供更高的灵活性。为验证模型的数值鲁棒性与物理一致性,分析了模拟结果对数值参数的敏感性。分析表明,重粒子子模型的时间分辨率和电子子模型的空间分辨率,相较于重粒子宏粒子权重及空间分辨率,对测量结果的一致性影响更为显著,证实了解耦公式相较于耦合离散化能实现更高效的资源分配。
英文摘要
Hybrid methods offer an attractive balance between computational efficiency and physical accuracy, playing an important guiding role in the design and optimization of Hall thrusters. In this work, a hybrid simulation code, named HYSCH, is developed, utilizing a 1D-MFAM as the mesh framework for the electron submodel. HYSCH enables decoupling of the two submodel meshes, providing a higher degree of flexibility in spatial resolution settings. The sensitivity of the simulated results to numerical parameters is analyzed to validate the model's numerical robustness and physical consistency. The analysis shows that the temporal resolution of the heavy-species submodel and the spatial resolution of the electron submodel exert a more pronounced influence in the agreement with measurements than the heavy-species macroparticle weight and spatial resolution, confirming that the decoupled formulation enables more efficient resource allocation than coupled discretizations.
Comments27 pages,22 figures,submitted to Plasma Science and Technology