Effect of blade tip winglet on the performance of a highly loaded transonic compressor rotor

查看全文 作　　者：Han [1]Shaobing;Zhong [1]Jingjun

机构地区：[1]Marine Engineering College,Dalian Maritime University

出　　处：《Chinese Journal of Aeronautics》索引2016年第29卷第3期,共9页

基　　金：co-supported by the National Natural Science Foundation of China(Nos.51436002,51406021);the Scientific Research Fund of Education Department of Liaoning Province(No.L2014197);the Program for Liaoning Innovative Research Team in University(No.LT2015004);the Fundamental Research Funds for the Central Universities(Nos.3132016014,3132014319) 摘　　要：The tip leakage flow has an important influence on the performance of transonic compressor.Blade tip winglet has been proved to be an effective method to control the tip leakage flow in compressor,while the physical mechanisms of blade tip winglet have been poorly understood.A numerical study for a highly loaded transonic compressor rotor has been conducted to understand the effect of varying the location of blade tip winglet on the performance of the rotor.Two kinds of tip winglet were designed and investigated.The effects of blade tip winglet on the compressor overall performance,stability and tip flow structure were presented and discussed.It is found that the interaction of the tip winglet with the flow in the tip region is different when the winglet is located at suction-side or pressure-side of the blade tip.Results indicate that the suction-side winglet(SW) is ineffective to improve the performance of compressor rotor.In addition,a significant stall range extension equivalent to 33.74% with a very small penalty in efficiency can be obtained by the pressure-side winglet(PW).An attempt has been made to explain the fundamental mechanisms of blade tip winglet in detail. 关键词：压气机转子跨音速高负荷叶尖性能物理机制数值研究流场结构

相关文献

参考文献（27）
引证文献（12）
耦合文献（61）

参考文献(27)

引证文献(12)

耦合文献(61)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Effect of blade tip winglet on the performance of a highly loaded transonic compressor rotor

参考文献(27)

引证文献(12)

耦合文献(61)

用户提示