以一单级轴流压气机实验台为研究对象,对其内部流动进行了全工况的数值模拟.数值计算结果与实验测量结果对比分析表明程序很好地预测出了单级压气机的总性能和基元性能.数值分析峰值效率和失速边界工况下动叶和静叶间隙区域流动结构的变化表明:随着压气机的运行工况由峰值效率点向失速边界点移动,动、静叶间隙泄漏涡向下游发展过程中产生的阻塞效应明显增强,该阻塞效应是导致压气机失速的主要原因.
参考文献
| [1] | Inoue M;Kuroumaru M .Structure of Tip Clearance Flow in an Isolated Axial Flow Compressor Rotor[J].Journal of Turbomachinery,Transactions of the ASME,1989,111(02):250-256. |
| [2] | M. Furukawa;M. Inoue;K. Saiki;K. Yamada .The role of tip leakage vortex breakdown in compressor rotor aerodynamics[J].Journal of turbomachinery,1999(3):469-480. |
| [3] | Furukawa M;Saiki K;Yamada K et al.Unsteady Flow Behavior Due to Breakdown of Tip Leakage Vortex in an Axial Compressor Rotor at Near-Stall Condition[R].ASME 2000-GT-666,2000. |
| [4] | Junqiang Zhu;Yanhui Wu;S A Sjolander .Axial Location of Treated Casing in Multistage Axial Compressors[R].ASME 2005-GT-69105,2005. |
| [5] | Zhaohui Du;Zhiwei Liu .Theoretical and Experimental Investigation of Circumferential Grooved Casing/Hub Treatment[R].ASME 94-GT-321,1994. |
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