转子叶尖端壁失速特性试验研究

推进技术 ›› 2015, Vol. 36 ›› Issue (5): 722-728.

转子叶尖端壁失速特性试验研究

马彩东,李应红,吴　云,宗豪华,张志波

空军工程大学等离子体动力学重点实验室，陕西西安 710038,空军工程大学等离子体动力学重点实验室，陕西西安 710038,空军工程大学等离子体动力学重点实验室，陕西西安 710038,空军工程大学等离子体动力学重点实验室，陕西西安 710038,空军工程大学等离子体动力学重点实验室，陕西西安 710038

发布日期:2021-08-15
作者简介:马彩东(1985—)，男，博士生，研究领域为叶轮机械气动热力学。
基金资助:
国家自然科学基金(51336011)；高等学校全国优秀博士学位论文作者专项资金(201172)。

Experimental Investigation on Stall Characteristics on Rotor Tip End-Wall

Science and Technology on Plasma Dynamics Laboratory，Air Force Engineering University，Xi’an 710038，China,Science and Technology on Plasma Dynamics Laboratory，Air Force Engineering University，Xi’an 710038，China,Science and Technology on Plasma Dynamics Laboratory，Air Force Engineering University，Xi’an 710038，China,Science and Technology on Plasma Dynamics Laboratory，Air Force Engineering University，Xi’an 710038，China and Science and Technology on Plasma Dynamics Laboratory，Air Force Engineering University，Xi’an 710038，China

Published:2021-08-15

摘要/Abstract

摘要： 为了研究转子叶尖端壁的失速特性，对一台单级低速轴流压气机进行了节流特性试验，采用转子叶尖端壁弦向布置动态压力传感器的方法测得了整个节流过程的动态压力信号，并对其进行壁面压力谱分析及均方根压力脉动分析。结果表明:压气机逼近失速的过程中泄漏涡的轨迹及触发点的位置逐渐向转子前缘移动，失速时泄漏涡轨迹从邻近叶片通道的转子前缘溢出；压气机向深度失速逼近的过程中失速团的周向尺度增大，退出失速的过程中周向稳定为两个失速团，其周向尺度逐渐减小但失速团的转动频率保持不变约为30Hz，并在退出失速前3个转子周期两个失速团合并为单个失速团。

关键词: 轴流压气机；节流特性；转子；泄漏涡；失速团

Abstract: In order to study the stall characteristics on rotor tip end-wall，the throttling characteristics of a single-stage low-speed axial compressor was experimentally investigated. Dynamic pressure signals were collected during the throttling process by high-response transducers on casing wall at rotor tip chord-wise location. Casing pressure contour and casing pressure RMS contour were conducted to analyze dynamic pressure signals. The results indicate that tip leakage vortex trajectory and starting position move to rotor leading-edge as the compressor runs toward stall，and tip leakage vortex trajectory spillages to leading-edge of the rotor in adjacent blade passage at stall. Stall cell scale in circumference extends as the compressor runs toward deep stall. Two stall cells rotate in circumference as the compressor exits from the stall and their circumferential scale reduces，however，their rotating frequency is about 30Hz and remains almost unchanged. Finally two stall cells merged into one 3 rotor revolutions before exiting stall.

Key words: Axial compressor；Throttling characteristic；Rotor；Tip leakage vortex；Stall cell

马彩东,李应红,吴　云,宗豪华,张志波. 转子叶尖端壁失速特性试验研究[J]. 推进技术, 2015, 36(5): 722-728.

MA Cai-dong,LI Ying-hong,WU Yun,ZONG Hao-hua,ZHANG Zhi-bo. Experimental Investigation on Stall Characteristics on Rotor Tip End-Wall[J]. Journal of Propulsion Technology, 2015, 36(5): 722-728.

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