摘要
叙述了航空发动机加力燃烧室的发展历程和现状,指出加力燃烧室设计技术的发展是航空发动机性能需求提升的结果;分析了先进加力燃烧室的主要工作特点和新设计要求,包括超高的内涵气流进口总温和极高的加力温度,要求加力燃烧室具有更低的流体损失、更轻的质量、良好的隐身性能等;研究了先进加力燃烧室的新结构和设计新技术,如气冷稳定器和喷油杆、加力燃烧室一体化设计技术、值班稳定器的演变、可调隔热屏冷却技术、隐身性能设计和数值模拟等;展望了变循环、超级、凹腔驻涡和脉冲爆震等多形式加力燃烧室的发展趋势。
The progress and current state of afterburner were overviewed.The development of design technology is a result of the elevated performance requirements of aeroengine afterburner.The advanced characteristics and new requirements of afterburner were analyzed,including the high inlet core flow temperature,the required significant high augmentation temperature,less aerodynamic loss,lighter weight,good stealth performance and so on.The new structure and design technology of advanced afterburner were investigated,such as the air cooled flameholder and spray bar,afterburner integration design,evolvement of pilot flameholder,adjustable heat shield cooling,stealth performance design and numerical simulation.The development trend of variable cycle engine,hyper burner,trapped vortex afterburner and pulse detonation afterburner were forecasted.
出处
《航空发动机》
2014年第2期24-30,60,共8页
Aeroengine
关键词
加力燃烧室
航空发动机
气冷稳定器
一体化设计
隐身技术
数值仿真
afterburner
aeroengine
air cooled flameholder
integration design
stealth technology
numerical simulation
