Integrated control for supersonic inlet/engine
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摘要: 为了解决超声速进气道/发动机一体化问题,建立了可进行放气调节的超声速进气道部件级数学模型,而后将其与某双轴涡扇发动机部件级模型匹配,实现进气道与发动机共同工作.基于该进气道/发动机一体化部件级模型,分析计算了超声速进气道内流、外流特性,并研究了在超声速工作状态下进气道放气特性,验证了在超声速飞行时,发动机在中间状态与加力状态下,通过进气道放气调节,发动机安装推力提升了3%.
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关键词:
- 超声速进气道 /
- 进气道部件级模型 /
- 放气调节 /
- 安装性能 /
- 进气道/发动机一体化
Abstract: A component-level mathematical model of supersonic inlet with bleeding adjustment was developed to study of integrated performance for supersonic inlet/engine. Meanwhile, a coupling mathematical model of supersonic inlet and turbofan engine was built via a biaxial turbofan engine component-level models and inlet component-level models to describe their collaborate relationship. The properties of outside and inside flux of the intake were calculated base on this integrated component-level model for inlet/engine. Inlet bleeding properties in supersonic working mode were also analyzed. At last, the engine installed thrust was verified to be effectively enhanced 3% by the bleeding adjustment of inlet when the aircraft worked at supersonic flight in the middle and afterburner states. -
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