摘要
为新研制的单级跨声速风扇设计了 3种不同形式的处理机匣 ,圆弧斜槽处理机匣、轴向斜槽处理机匣和反旋涡式处理机匣 ,并在该单级跨声风扇上进行了实验研究。采用新建立的试车台数据实时采集与监控系统 ,测量了该单级跨声速风扇的总性能和采用处理机匣后风扇的总性能、基元级性能。通过分析表明圆弧斜槽处理机匣使风扇的稳定工作裕度获得较大的改善 ,并且与实壁参考机匣相比 ,提高了峰值效率 。
Three types of different casing treatment were designed for new developed single stage transonic fan. They are arc curved skewed slot casing treatment, axial skewed slot casing treatment and counter vortex slot casing treatment. By using real time data gathering and test system of the aero engine test bed, the detail measurement of single stage transonic fan performance with and without different casing treatments were made. Research results show that a further improvement is obtained with arc skewed slot than other casing treatments in stall margin and peak efficiency.
出处
《推进技术》
EI
CAS
CSCD
北大核心
2000年第3期49-52,共4页
Journal of Propulsion Technology
关键词
涡轮风扇发动机
风扇
处理机匣
旋转失速
Turbofan engine
Fan
Casing treatment
Rotating stell
Safety factor
