Application of Stall Warning Approach with Stall Precursor-Suppressed Casing Treatment on a Two-Stag

• 作 者: XU Ruize SUN Dakun DONG Xu LI
• 机 构: FluidandAcousticsEngineeringLaboratory
• 出 处: 热科学学报:英文版
• 发表日期: 2019年5期
• 关键词: axial COMPRESSOR STALL WARNING CASING treatment
• 基金项目: The research presented here is supported by China Academy of Launch vehicle Technology (No.51606223),National Natural Science Foundation of China (Nos. 11661141020, 51576008, 51822601 and 51790514).

A stall warning approach based on aero-acoustic theory is studied in this paper. For this stall warning approach, a parameter Rc is defined to measure the periodicity of the blade-passing signal. Signal simulation is used to investigate the mechanism of t