航空学报 > 2025, Vol. 46 Issue (9): 630951-630951   doi: 10.7527/S1000-6893.2024.30951

氢能混动分布式热管理系统多热沉匹配与调控策略

李海旺1, 高胜寒1, 谢刚2(), 余明星1, 何旭楠3   

  1. 1.北京航空航天大学 航空发动机研究院,北京 100191
    2.北京航空航天大学 飞行学院,北京 100191
    3.中国商飞北京民用飞机技术研究中心,北京 102211
  • 收稿日期:2024-07-17 修回日期:2024-08-16 接受日期:2024-10-18 出版日期:2025-05-15 发布日期:2024-10-23
  • 通讯作者: 谢刚 E-mail:xiegang@buaa.edu.cn

Multiple heat sink matching and regulation strategies for distributed thermal management system of hydrogen hybrid power system

Haiwang LI1, Shenghan GAO1, Gang XIE2(), Mingxing YU1, Xunan HE3   

  1. 1.Research Institute of Aero-Engine,Beihang University,Beijing 100191,China
    2.Flying College,Beihang University,Beijing 100191,China
    3.COMAC Beijing Aircraft Technology Research Institute,Beijing 102211,China
  • Received:2024-07-17 Revised:2024-08-16 Accepted:2024-10-18 Online:2025-05-15 Published:2024-10-23
  • Contact: Gang XIE E-mail:xiegang@buaa.edu.cn

摘要:

氢能混合动力飞机引入大量多电设备,导致爬升工况热沉不足而巡航工况热沉冗余的热沉错配问题,无法满足散热需求。针对这一热管理问题,通过对干线客机氢能混动分布式热管理系统建模仿真,开展多热沉匹配与调控策略研究。首先,根据分布式热管理系统架构,提出了通过增大储液箱以匹配中间热沉与终端热沉的方案。其次,利用MATLAB-Simulink软件建立了分布式热管理系统仿真模型,分析了中间热沉容量与燃料电池最高温度的关系。最后,设计了启停控制策略以提高热管理系统性能。结果表明,基于多热沉匹配设计的热管理系统方案能使热管理系统满足散热需求,结合调控策略可降低热管理系统最大功率16.7%、飞行剖面能耗55.7%、燃油温度至多4.6 ℃,并降低系统代偿。

关键词: 氢能, 混合动力, 分布式, 热管理, 热沉

Abstract:

The introduction of a large number of multi-electric devices in hydrogen hybrid airplanes leads to the problems of heat sink mismatch of insufficient heat sink in the climb condition and redundant heat sink in the cruise condition, making it hard to meet the cooling demand. To solve these thermal management problems, this paper carries out research on the multi-heat sink matching scheme and control strategy by modelling the distributed thermal management system of mainline airliner hydrogen hybrid power system. Firstly, according to the distributed thermal management system architecture, the solution for middle and final heat sink matching by increasing tank capacity is proposed. Secondly, a simulation model for the distributed thermal management system is established using MATLAB-Simulink software, and the relationship between the middle heat sink capacity and the maximum temperature of the fuel cell is analyzed. Finally, an on-off control strategy is designed based on the enlarged tank. The results show that the distributed thermal management system based on the proposed multi-heat sink matching scheme can meet the cooling demands of the hydrogen hybrid power system equipment by increasing tank capacity. The on-off control strategy can reduce the maximum power of the thermal management system by 16.7%, the energy consumption during the flight profile by 55.7%, and the fuel temperature by up to 4.6 °C, as well as fuel compensation.

Key words: hydrogen, hybrid power, distributed, thermal management, heat sink

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