航空发动机主燃烧室动态燃烧研究现状及关键技术分析

Research status and key technology analysis of dynamic combustion in aero-engine main combustor

阐述了动态燃烧的内涵,从先进军用和民用发动机的需求出发,强调了开展主燃烧室动态燃烧研究、支撑燃烧室精细化设计的重要性。对国内外动态燃烧研究进行了总结,从基础研究、模型燃烧室研究、数值模拟研究及工程应用四方面将国内外情况进行了对比。分析了开展动态燃烧研究的难点,梳理了我国开展动态燃烧研究需攻克的四大关键技术,并阐述了其内涵及可采取的技术路径。基于我国先进军民用发动机需求和国内研究现状,提出了建立数据库、发展设计方法、构建理论体系及培养研究队伍等合理化建议。

The essence of dynamic combustion was explained. Based on the requirements of both military and civil aircraft engines, the importance of conducting dynamic combustion technologies and supporting the optimization design of aero-engine combustors was highlighted. The research progress on dynamic combustion technologies was summarized and compared from domestic and foreign aspects in terms of fundamental research, model combustor research, numerical simulation, and engineering application. The challenges in developing dynamic combustion technologies were analyzed, four key technologies to be developed in China were presented, and their connotation and technical pathways were expounded. Based on the design requirements of advanced engines along with current dynamic combustion progress, suggestions including establishing database, developing design methods, building theoretical system and training research teams, were put forward for developing dynamic combustion technologies in China.