通过壁面静压测量、流场显示及气动探针测量研究了不同掠型叶片组成的平面扩压叶栅特性.结果表明,前掠叶栅流道中横向压力梯度减弱,型面压力沿叶展呈反"C"型,有利于减弱角区低能流体堆积,但中径处损失有所增加;弯掠叶片强化了上述趋势,其降低端部损失和延缓角区分离的能力更强,应从优化设计角度对其进行深入研究.
参考文献
[1] | Peng Z;Wu G;Yan M.An Experimental Investigation of Technalogies of Endwall Flow Control in A Compressor Plane Cascade[M].AIAA 91-2005,1991 |
[2] | Place J M M .Three-Dimensional Flow in Core Compressors[D].Department of Engineering, University of Canbridge,1997. |
[3] | Sasaki T;Brengelmans F.Comparison of Sweep and Dihedral Effects on Compressor Cascade Performance[M].ASME 97-GT-2,1997 |
[4] | Shang E;Wang Z Q;Su J X .The Experimental Investigation on the Compressor Cascades with Leaned and Curved Blade[R].ASME 93-GT-50,1993. |
[5] | 钟兢军.压气机叶栅中应用弯曲叶片的研究[J].航空动力学报,1998(01):7. |
[6] | Brengelmans F A E;Carels Y;Demuth M .Influence of Dihedral on the Secondary Flow in a Two-Dimensional Compressor Cascadle[J].Journal of Engineering for Gas Turbines and Power,Transactions of the ASME,1984,106:578-584. |
[7] | V Guimmer;U Wenger;H P Kau.Using Sweep and Dihedral to Control ThreeDimensional Flow in Transonic Stators of Axial Compressors[M].ASME 2000-CT-0491,2000 |
[8] | Hah C;Puterbaugh S L;Wadia A R .Control of Shock Structure and Secondary Flow Field Inside Transonic Compressor Rotors Through Aerody-Namic Sweep[R].ASME Paper 98-GT-56,1998. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%