The invention discloses a liquid hydrogen fuel energy power system and an airplane, and belongs to the technical field of liquid hydrogen airplane power device system integration. The system comprises a liquid hydrogen tank, a liquid hydrogen pipeline, a gas hydrogen pipeline, a heat conduction liquid circulation pipeline, an air pipeline, a hydrogen turbine engine power device, a fuel cell, a heating device, a primary heat exchanger, a secondary heat exchanger, a starter and an airborne power supply and distribution network. The system absorbs waste heat of a fuel cell and exhaust waste heat of an engine exhaust nozzle, liquid-gas-hydrogen conversion is achieved, and the problem of vaporization of liquid hydrogen fuel on a machine is effectively solved. Pressurized air is provided for the fuel cell through air entraining of an engine air compressor, waste heat of the fuel cell is absorbed through a first-stage heat exchanger, and the air side supply and heat dissipation functions of the fuel cell are achieved. According to the two-stage heat exchange device, fuel vaporization heating with different hydrogen fuel flow supply requirements is achieved according to the starting and stable operation processes, the system starting method solves the system starting heat source problem, and combined starting of the main power device and the auxiliary power device is achieved.

    本发明公开了一种液氢燃料能源动力系统及飞机,属于液氢飞机动力装置系统集成技术领域,系统包括:液氢罐、液氢管路、气氢管路、导热液循环管路、空气管路、氢涡轮发动机动力装置、燃料电池、加热装置、一级换热器、二级换热器、起动机、机载供配电网络。系统通过燃料电池废热和发动机尾喷管排气废热吸收,实现液气氢转化,有效解决机上液氢燃料汽化问题。利用发动机压气机引气为燃料电池提供增压空气,采用一级换热器吸收燃料电池废热,实现燃料电池空气侧供给和散热功能。两级换热装置,针对起动和稳定运行过程,实现不同氢燃料流量供给需求的燃料汽化加热,系统起动方法解决了系统起动热源问题,实现主动力装置和辅助动力装置的联合起动。


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    Title :

    Liquid hydrogen fuel energy power system, airplane and method


    Additional title:

    一种液氢燃料能源动力系统、飞机及方法


    Contributors:
    YU HANG (author) / XIONG SI (author) / LYU GANLIN (author) / ZHANG XINTAN (author) / WANG LIJIAN (author)

    Publication date :

    2025-03-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT



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